{"title":"Cylinder Heads","description":"","products":[{"product_id":"i-31015-industrial-injection-dodge-premium-stock-plus-head-for-1998-5-2002-5-9l-cummins-with-fire-rings-pdm-24vstkh-fr","title":"Industrial Injection Dodge Premium Stock Plus Head For 1998.5-2002 5.9L Cummins With Fire Rings - PDM-24VSTKH-FR","description":"\u003cp\u003e1998.5-2002 Cummins 5.9L 24v Premium Stock Plus Head w\/ Fire Rings\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003c\/strong\u003eUpgraded Stainless Steel Valves\u003c\/li\u003e\n\u003cli\u003eDiamond Honed Guides\u003c\/li\u003e\n\u003cli\u003eNew Stock Valve Springs\u003c\/li\u003e\n\u003cli\u003eDecked Surface\u003c\/li\u003e\n\u003cli\u003eFire Ring Grooves\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFire ring gasket not included\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":45270105620651,"sku":"GHJV-PDM-24VSTKH-FR","price":2116.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198685087_07087405-e122-44c4-a302-845d01c3c5fc.jpg?v=1752599568"},{"product_id":"i-31020-industrial-injection-gm-engine-cylinder-head-gasket-set-for-01-04-6-6l-lb7-duramax-hs54580","title":"Industrial Injection GM Engine Cylinder Head Gasket Set For 01-04 6.6L LB7 Duramax - HS54580","description":"\u003cp\u003eC2 Head Gasket not Included; Cylinder Head Bolts Not Included. MAHLE Original head gasket sets are packaged in shrink wrapped tray, giving you the ability to view the contents prior to opening the package.\u003c\/p\u003e\n\u003cp\u003eMAHLE Original head sets give you original equipment form, fit, and function, so the fit just like the original, MAHLE Original utilizes OE equivalent or better materials in all our head sets providing you with the Best Solution��������� ������ for your sealing needs, You receive every part you need to complete your gasket repair in one package unless otherwise stated.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eItem Grade OEM Standard Additional Package\u003c\/li\u003e\n\u003cli\u003eContents Contains Miscellaneous Gaskets And Seals\u003c\/li\u003e\n\u003cli\u003eTorque to Yield Yes\u003c\/li\u003e\n\u003cli\u003eExhaust Manifold Gasket Material\u003c\/li\u003e\n\u003cli\u003eMulti-Layered Steel\u003c\/li\u003e\n\u003cli\u003eCylinder Head Gasket Material\u003c\/li\u003e\n\u003cli\u003eIntake Manifold Gasket\u003c\/li\u003e\n\u003cli\u003eMaterial Molded Rubber\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":45270105817259,"sku":"GHJV-HS54580","price":259.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198685093_3ed2cf9a-16dd-4794-b5e5-0311a7f264a8.jpg?v=1752599566"},{"product_id":"i-31217-industrial-injection-dodge-performance-head-for-03-07-5-9l-cummins-pdm-59crsth","title":"Industrial Injection Dodge Performance Head For 03-07 5.9L Cummins - PDM-59CRSTH","description":"\u003cp\u003eThe Industrial Injection 5.9L Cummins Performance Heads are designed for the daily driver \/ weekend warrior in mind. Fully CNC ported heads complete and ready to bolt on.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCNC Ported Cylinder Head:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003eThe porting process preformed uses a new 5 Axis CNC Cylinder Head Porting Machine with CAD\/CAM software specifically designed for cylinder head porting. CNC porting brings unparalleled accuracy to head porting with each port flowing the same. This helps balance the power that each cylinder produces, making tuning easier. After the CNC process we then hand blend each port to perfection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNew Performance Stainless Steel Valves:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003eWe use the highest quality upgraded stainless steel valves with a nitrate coating for ultimate durability to out-perform and outlast any aftermarket or OE valves available. High Strength Alloy Valve Guides:New High Strength Alloy, Heat Treated iron based valve guides are installed.\u003c\/p\u003e\n\u003cp\u003eThese guides are heat treated to Rockwell 22 C Scale, which produces the ultimate in wear resistance. This is far superior to original guide material, including Bronze. The guide incorporates a spiral grove inside the guide to hold oil and aid the lubrication of the valve during engine operation.������\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance High Temp Valve Seats:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003ePremium valve seat inserts made from a true Nickel Based Non-Magnetic material that was developed for extreme operating conditions. These performance valve seats immensely reduce the possibility or dropping a valve seat.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDrilled and Tapped Coolant Freeze Plugs In Head:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe factory head has press in freeze plugs that are prone to leaking and blowing out under the valve cover. This process eliminates the failure from ever happening to you with our cylinder heads. We use high quality steel plugs where others use aluminum that are prone to leak.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFire Ringed Head:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003eThe fire ringed head procedure was designed to use with our custom fire ring head gasket which utilizes a radius cut steel fire ring to virtually eliminate head gasket failures while still allowing you to daily drive your vehicle with confidence in its longevity capabilities.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eValve Springs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003eWe use the highest quality brand new performance 95lb valves springs custom made right here in the USA. We designed these springs to offer more lift than the competition. Each valve spring is tested multiple times in house before assembly to ensure it maintains it proper spring rate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Build Process:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003eHeads are first jet washed in a high pressure spray cabinet to remove oil and dirt, then glass beaded to remove carbon. Next they are checked by magnafluxing, (cast iron only) or pressure testing. They are visually inspected for defects that would make them unusable. Valve guides and seats are removed as needed for porting.\u003c\/p\u003e\n\u003cp\u003ePort development is accomplished using a superflow 600 flow bench with a computer recording all flow measurements.Many things are considered when designing a cylinder head Port; air flow is only one of the things to think about. Another major concern is port wall thickness.\u003c\/p\u003e\n\u003cp\u003eAnyone can get a head to produce high flow numbers, but if doing so leaves the port wall to thin the casting will crack. High performance Diesel heads are more prone to crack because of the thermal shock experienced by excessive intermittent or long term exhaust temperatures.\u003c\/p\u003e\n\u003cp\u003eThe porting is then preformed using a new 5 Axis CNC Cylinder Head Porting Machine with CAD\/CAM software specifically designed for cylinder head porting. CNC porting brings unparalleled accuracy to head porting with each port flowing the same. This helps balance the power that each cylinder produces, making tuning easier. New High Strength Alloy, Heat Treated iron based valve guides are installed.\u003c\/p\u003e\n\u003cp\u003eThese guides are heat treated to Rockwell 22 C Scale, which produces the ultimate in wear resistance. This is far superior to original guide material, including Bronze. The guide incorporates a spiral grove inside the guide to hold oil and aid the lubrication of the valve during engine operation.\u003c\/p\u003e\n\u003cp\u003eGuides are then honed (not reamed) to exact size using a diamond honing mandrel. Diamond abrasives allow for consistency of size, surface finish, and bore geometry with no variation from guide to guide. The guide size is then verified using a valve guide bore gauge.\u003c\/p\u003e\n\u003cp\u003eAs needed the head receives new Premium valve seat inserts made from a true Nickel Based Non-Magnetic material that was developed for extreme operating conditions. Next the head is treated to a multi angle valve job to help maximize the flow of air in and out of the head.\u003c\/p\u003e\n\u003cp\u003eThis is accomplished using a Serdi 100 guide and seat machine. Serdi uses a solid carbide straight shank pilot. When inserted into the valve guide, it simulates the real valve stem during the centering process.\u003c\/p\u003e\n\u003cp\u003eThis guarantees the valve seat is finished for a perfect valve to seat match. Using CBN or Diamond tooling the head is given a new surface. With our berco milling machine we can control the surface finish to accommodate different head gasket types.\u003c\/p\u003e\n\u003cp\u003eFor example MLS head gaskets require a very smooth surface finish. Finally the head is jet washed dried and assembled with new valve seals and new performance valve springs.\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":45270119645355,"sku":"GHJV-PDM-59CRSTH","price":3960.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198685318_717823c5-c40d-49c9-98cb-15a08fe786ef.jpg?v=1752599428"},{"product_id":"i-31218-industrial-injection-dodge-performace-head-for-2007-5-2018-6-7l-cummins-pdm-67sth","title":"Industrial Injection Dodge Performace Head For 2007.5-2018 6.7L Cummins - PDM-67STH","description":"\u003cp\u003eThe Industrial Injection 6.7L Cummins Performance Heads are designed for the daily driver \/ weekend warrior in mind. Fully CNC ported heads complete and ready to bolt on.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCNC Ported Cylinder Head:\u003c\/p\u003e\n\u003cp\u003eThe porting process preformed uses a new 5 Axis CNC Cylinder Head Porting Machine with CAD\/CAM software specifically designed for cylinder head porting. CNC porting brings unparalleled accuracy to head porting with each port flowing the same.\u003c\/p\u003e\n\u003cp\u003eThis helps balance the power that each cylinder produces, making tuning easier. After the CNC process we then hand blend each port to perfection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNew Performance Stainless Steel Valves:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe use the highest quality upgraded stainless steel valves with a nitrate coating for ultimate durability to out-perform and outlast any aftermarket or OE valves available.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Strength Alloy Valve Guides:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNew High Strength Alloy, Heat Treated iron based valve guides are installed. These guides are heat treated to Rockwell 22 Scale, which produces the ultimate in wear resistance. This is far superior to original guide material, including Bronze. The guide incorporates a spiral grove inside the guide to hold oil and aid the lubrication of the valve during engine operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance High Temp Valve Seats:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePremium valve seat inserts made from a true Nickel Based Non-Magnetic material that was developed for extreme operating conditions. These performance valve seats immensely reduce the possibility of dropping a valve seat.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDrilled and Tapped Coolant Freeze Plugs In Head:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe factory head has press in freeze plugs that are prone to leaking and blowing out under the valve cover. This process eliminates the failure from ever happening to you with our cylinder heads. We use high quality steel plugs where others use aluminum that are prone to leak.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFire Ringed Head:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe fire ringed head procedure was designed to use with our custom fire ring head gasket which utilizes a radius cut steel fire ring to virtually eliminate head gasket failures while still allowing you to daily drive your vehicle with confidence in its longevity capabilities.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eValve Springs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe use the highest quality brand new performance 95lb valves springs custom made right here in the USA. We designed these springs to offer more lift than the competition. Each valve spring is tested multiple times in house before assembly to ensure it maintains it proper spring rate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Build Process:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHeads are first jet washed in a high pressure spray cabinet to remove oil and dirt, then glass beaded to remove carbon. Next they are checked by magnafluxing, (cast iron only) or pressure testing. They are visually inspected for defects that would make them unusable. Valve guides and seats are removed as needed for porting.\u003c\/p\u003e\n\u003cp\u003ePort development is accomplished using a superflow 600 flow bench with a computer recording all flow measurements.\u003cbr\u003eMany things are considered when designing a cylinder head Port; air flow is only one of the things to think about. Another major concern is port wall thickness.\u003c\/p\u003e\n\u003cp\u003eAnyone can get a head to produce high flow numbers, but if doing so leaves the port wall to thin the casting will crack. High performance Diesel heads are more prone to crack because of the thermal shock experienced by excessive intermittent or long term exhaust temperatures.\u003c\/p\u003e\n\u003cp\u003eThe porting is then preformed using a new 5 Axis CNC Cylinder Head Porting Machine with CAD\/CAM software specifically designed for cylinder head porting. CNC porting brings unparalleled accuracy to head porting with each port flowing the same. This helps balance the power that each cylinder produces, making tuning easier.\u003c\/p\u003e\n\u003cp\u003eNew High Strength Alloy, Heat Treated iron based valve guides are installed. These guides are heat treated to Rockwell 22 Scale, which produces the ultimate in wear resistance. This is far superior to original guide material, including Bronze. The guide incorporates a spiral grove inside the guide to hold oil and aid the lubrication of the valve during engine operation.\u003c\/p\u003e\n\u003cp\u003eGuides are then honed (not reamed) to exact size using a diamond honing mandrel. Diamond abrasives allow for consistency of size, surface finish, and bore geometry with no variation from guide to guide. The guide size is then verified using a valve guide bore gauge.\u003c\/p\u003e\n\u003cp\u003eAs needed the head receives new Premium valve seat inserts made from a true Nickel Based Non-Magnetic material that was developed for extreme operating conditions.\u003c\/p\u003e\n\u003cp\u003eNext the head is treated to a multi angle valve job to help maximize the flow of air in and out of the head. This is accomplished using a Serdi 100 guide and seat machine. Serdi uses a solid carbide straight shank pilot. When inserted into the valve guide, it simulates the real valve stem during the centering process.\u003c\/p\u003e\n\u003cp\u003eThis guarantees the valve seat is finished for a perfect valve to seat match.\u003c\/p\u003e\n\u003cp\u003eUsing CBN or Diamond tooling the head is given a new surface. With our berco milling machine we can control the surface finish to accommodate different head gasket types. For example MLS head gaskets require a very smooth surface finish.\u003c\/p\u003e\n\u003cp\u003eFinally the head is jet washed dried and assembled with new valve seals and new performance valve springs\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":45270119678123,"sku":"GHJV-PDM-67STH","price":3960.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198685319_9d9933d4-1147-4db1-92bd-4992fe5f5a91.jpg?v=1752599427"},{"product_id":"i-31294-industrial-injection-dodge-fire-ring-gasket-kit-for-1998-5-2002-5-9l-cummins-pdm-54174","title":"Industrial Injection Dodge Fire Ring Gasket Kit for 1998.5-2002 5.9L Cummins - PDM-54174","description":"\u003cp\u003e1998.5-2002 5.9L 24 Valve Fire Ring Gasket Kit Spec. 4.550 (Our Spec. For Our Heads)\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":45270123774123,"sku":"GHJV-PDM-54174","price":309.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198685395_a1be8d7d-4d0a-43a1-974f-2e472bd4cc8a.jpg?v=1752599362"},{"product_id":"i-31296-industrial-injection-dodge-fire-ring-gasket-kit-for-03-07-5-9l-cummins-pdm-54557a","title":"Industrial Injection Dodge Fire Ring Gasket Kit for 03-07 5.9L Cummins - PDM-54557A","description":"\u003cp\u003eDodge 03-07 5.9L 24 Valve Fire Ring Gasket Kit Spec. 4.550 (Our Spec. For Our Heads)\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":45270124265643,"sku":"GHJV-PDM-54557A","price":309.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198685397_39b2d00d-3ed0-44ca-b622-841ba139ae17.jpg?v=1752599361"},{"product_id":"i-31297-industrial-injection-dodge-fire-ring-gasket-kit-for-2007-5-2018-6-7l-cummins-pdm-54774","title":"Industrial Injection Dodge Fire Ring Gasket Kit for 2007.5-2018 6.7L Cummins - PDM-54774","description":"\u003cp\u003e2007.5-2018 6.7L Fire Ring Gasket Kit Spec. 4.550 (Our Spec. For Our Heads)\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":45270124462251,"sku":"GHJV-PDM-54774","price":309.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198685398_bb781f8e-d402-4b9f-8d23-784132d60337.jpg?v=1752599361"},{"product_id":"i-31300-industrial-injection-dodge-fire-ring-gasket-kit-for-89-98-cummins-spec-4-550-pdm-4068c","title":"Industrial Injection Dodge Fire Ring Gasket Kit For 89-98 Cummins Spec 4.550 - PDM-4068C","description":"\u003cp\u003eCummins 12 Valve Fire Ring Gasket Kit Spec. 4.550\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDetails:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOur Spec. For Our Heads; Spec. 4.550\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":45270124658859,"sku":"GHJV-PDM-4068C","price":309.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198685401_d2d59b68-2a77-4950-a136-4c69cffb2e89.jpg?v=1752599359"},{"product_id":"i-31602-industrial-injection-gm-stock-cylinder-heads-for-01-04-lb7-6-6l-duramax-pdm-lb7shn","title":"Industrial Injection GM Stock Cylinder Heads For 01-04 LB7 6.6L Duramax - PDM-LB7SHN","description":"\u003cp\u003eIndustrial Injection is proud to offer Brand New LB7 Duramax Stock Cylinder Heads for your 2001-2004 GM Duramax. These brand new GM OE cylinder heads have a reinforced casting to make them more durable and help eliminate cracking.\u003c\/p\u003e\n\u003cp\u003eEach head has been pressure tested and comes fully loaded and assembled with new factory injector cups.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBrand New GM Cylinder Heads\u003c\/li\u003e\n\u003cli\u003eReinforced Casting To Help Eliminate Cracking\u003c\/li\u003e\n\u003cli\u003eNew OE Injector Cups Installed\u003c\/li\u003e\n\u003cli\u003ePressure Tested\u003c\/li\u003e\n\u003cli\u003eFully Loaded and Assembled\u003c\/li\u003e\n\u003cli\u003eSold in Pairs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e To receive full core credit we need a good, re-useable pair of cylinder heads. No cracks, warping, or excessive wear.\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":45270150840491,"sku":"GHJV-PDM-LB7SHN","price":2060.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198685875_4fad106c-7bf1-4ad5-a6df-2ee1cfea8ea9.jpg?v=1752599183"},{"product_id":"i-31788-industrial-injection-dodge-premium-stock-plus-head-for-1998-5-2002-5-9l-cummins-pdm-24vstkh","title":"Industrial Injection Dodge Premium Stock Plus Head For 1998.5-2002 5.9L Cummins - PDM-24VSTKH","description":"\u003cp\u003e1998.5-2002 Dodge Cummins 5.9L 24 Valve Stock Head\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003c\/strong\u003eUpgraded Stainless Steel Valves\u003c\/li\u003e\n\u003cli\u003eDiamond Honed Guides\u003c\/li\u003e\n\u003cli\u003eNew Stock Valve Springs\u003c\/li\u003e\n\u003cli\u003eDecked Surface\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":45270160244907,"sku":"GHJV-PDM-24VSTKH","price":1899.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198686394_440b9a9e-3260-4911-87ee-17c0de43dedd.jpg?v=1752599149"},{"product_id":"i-31977-fleece-performance-5-9-vp-98-02-remanufactured-cummins-cylinder-head-street-fpe-61-10009","title":"Fleece Performance 5.9 VP 98-02 Remanufactured Cummins Cylinder Head (Street) - FPE-61-10009","description":"\u003cp\u003eFreedom Series cylinder heads. Each head is manufactured in our state-of-the-art cylinder head machine shop and guaranteed to meet or exceed factory specifications.\u003c\/p\u003e\n\u003cp\u003eAll heads are inspected, pressure checked, decked, painted, and ready for installation. Plus, the 11 screw in freeze plugs ensure you'll never worry about a coolant leak under the valve cover again.\u003c\/p\u003e\n\u003cp\u003ePerfect for a daily driver or heavy duty towing, our Street heads are rated for use up to 700hp. If your engine configuration is exceeding factory RPM limits a Performance Series head with higher valve spring rates is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFreedom Series Street heads Include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e11 Screw in Freeze Plugs (eliminates coolant leaks)\u003c\/li\u003e\n\u003cli\u003eHardened, oversized press-in valve seats\u003c\/li\u003e\n\u003cli\u003eNew Cummins valve springs\u003c\/li\u003e\n\u003cli\u003eNew valve guide liners\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHead gasket not included. We recommend the use of Cummins 3977063 head gasket.\u003c\/li\u003e\n\u003cli\u003eFollow all installation instructions; Valve lash required. Back off adjusters on rocker arms or damage will occur to the cylinder head.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":45270176596139,"sku":"FQWW-FPE-61-10009","price":2549.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198686789_623b5234-eea5-41fd-b419-234ff663ac4e.jpg?v=1752599059"},{"product_id":"i-32007-fleece-performance-6-7l-freedom-series-07-5-18-dodge-ram-2500-3500-cummins-cylinder-head-street-fpe-61-10007","title":"Fleece Performance 6.7L Freedom Series 07.5-18 Dodge RAM 2500\/3500 Cummins Cylinder Head Street - FPE-61-10007","description":"\u003cp\u003eFreedom Series cylinder heads - Give new life to your engine with our fully remanufactured Cummins cylinder head. Each head is manufactured in our state-of-the-art cylinder head machine shop and guaranteed to meet or exceed factory specifications. All heads are inspected, pressure checked, decked, painted, and ready for installation. Plus, the 11 screw in freeze plugs ensure you'll never worry about a coolant leak under the valve cover again.\u003c\/p\u003e\n\u003cp\u003ePerfect for a daily driver or heavy duty towing, our Street heads are rated for use up to 700hp. If your engine configuration is exceeding factory RPM limits a Performance Series head with higher valve spring rates is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFreedom Series Street heads Include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e11 Screw in Freeze Plugs (eliminates coolant leaks)\u003c\/li\u003e\n\u003cli\u003eHardened, oversized press-in valve seats\u003c\/li\u003e\n\u003cli\u003eNew Cummins valve springs\u003c\/li\u003e\n\u003cli\u003eNew valve guide liners\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHead gasket not included. We recommend the use of Cummins 4932210.\u003c\/li\u003e\n\u003cli\u003eCore and crate return required - all paperwork and instructions for return included with the new cylinder head. You are responsible for all return shipping costs of the core.\u003c\/li\u003e\n\u003cli\u003eFollow all installation instructions; Valve lash required. Back off adjusters on rocker arms or damage will occur to the cylinder head. For all applications over stock horsepower we recommend the use of ARP625 or ARP L19 12mm head studs.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":45270177808555,"sku":"FQWW-FPE-61-10007","price":2199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198686831_07ebcd36-1d8b-4fe2-8f23-ccf7a6d4a8d4.jpg?v=1752599039"},{"product_id":"i-32008-fleece-performance-6-7l-freedom-series-cummins-07-5-18-ram-2500-3500-cylinder-head-performance-fpe-61-10008","title":"Fleece Performance 6.7L Freedom Series Cummins 07.5-18 Ram 2500\/3500 Cylinder Head Performance - FPE-61-10008","description":"\u003cp\u003eFreedom Series Cummins Performance cylinder heads. Each head is manufactured in our state-of-the-art cylinder head machine shop and guaranteed to meet or exceed factory specifications. All heads are inspected, pressure checked, decked, painted, and ready for installation.\u003c\/p\u003e\n\u003cp\u003ePlus, the 11 screw in freeze plugs ensure you'll never worry about a coolant leak under the valve cover again. Whether you are sled pulling, drag racing, or just looking for extra power when towing, our Performance heads will get you the power you need and include larger Manley valves and are rated up to 1,100hp!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFreedom Series Performance heads Include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFire ring the cylinder head (All in the head)\u003c\/li\u003e\n\u003cli\u003e11 screw in freeze plugs (eliminates coolant leaks)\u003c\/li\u003e\n\u003cli\u003eHardened, oversized press in valve seats\u003c\/li\u003e\n\u003cli\u003eNew valve guide liners\u003c\/li\u003e\n\u003cli\u003eManley 1.380 inch stainless valves\u003c\/li\u003e\n\u003cli\u003e105 valve springs and steel retainers\u003c\/li\u003e\n\u003cli\u003eFire ring gasket kit with multi-layer steel gasket and 4.550 inch diameter rings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCore and crate return required - all paperwork and instructions for return included with the new cylinder head. You are responsible for all return shipping costs of the core.\u003c\/li\u003e\n\u003cli\u003eFollow all installation instructions; Valve lash required. Back off adjusters on rocker arms or damage will occur to the cylinder head.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":45270177841323,"sku":"FQWW-FPE-61-10008","price":3750.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198686832_0ce7a112-a4a9-4f23-8237-fae7b8281e0c.jpg?v=1752599038"},{"product_id":"i-32009-fleece-performance-5-9l-freedom-series-cummins-cylinder-head-street-fpe-61-10005","title":"Fleece Performance 5.9L Freedom Series Cummins Cylinder Head Street - FPE-61-10005","description":"\u003cp\u003eFreedom Series cylinder heads - Give new life to your engine with our fully remanufactured Cummins cylinder head. Each head is manufactured in our state-of-the-art cylinder head machine shop and guaranteed to meet or exceed factory specifications.\u003c\/p\u003e\n\u003cp\u003eAll heads are inspected, pressure checked, decked, painted, and ready for installation. Plus, the 11 screw in freeze plugs ensure you'll never worry about a coolant leak under the valve cover again.\u003c\/p\u003e\n\u003cp\u003ePerfect for a daily driver or heavy duty towing, our Street heads are rated for use up to 700hp. If your engine configuration is exceeding factory RPM limits a Performance Series head with higher valve spring rates is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFreedom Series Street heads Include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e11 Screw in Freeze Plugs (eliminates coolant leaks)\u003c\/li\u003e\n\u003cli\u003eHardened, oversized press-in valve seats\u003c\/li\u003e\n\u003cli\u003eNew Cummins valve springs\u003c\/li\u003e\n\u003cli\u003eNew valve guide liners\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHead gasket not included. We recommend the use of Cummins 3958645.\u003c\/li\u003e\n\u003cli\u003eCore and crate return required - all paperwork and instructions for return included with the new cylinder head. You are responsible for all return shipping costs of the core.\u003c\/li\u003e\n\u003cli\u003eFollow all installation instructions; Valve lash required. Back off adjusters on rocker arms or damage will occur to the cylinder head. For all applications over stock horsepower we recommend the use of ARP625 or ARP L19 12mm head studs.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":45270177874091,"sku":"FQWW-FPE-61-10005","price":2199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198686833_7403e55a-5196-4181-8b60-cb50cec88c2a.jpg?v=1752599037"},{"product_id":"i-32010-fleece-performance-5-9l-freedom-series-cummins-cylinder-head-performance-fpe-61-10006","title":"Fleece Performance 5.9L Freedom Series Cummins Cylinder Head Performance - FPE-61-10006","description":"\u003cp\u003eFreedom Series Cummins Performance cylinder heads. Each head is manufactured in our state-of-the-art cylinder head machine shop and guaranteed to meet or exceed factory specifications. All heads are inspected, pressure checked, decked, painted, and ready for installation.\u003c\/p\u003e\n\u003cp\u003ePlus, the 11 screw in freeze plugs ensure you'll never worry about a coolant leak under the valve cover again. Whether you are sled pulling, drag racing, or just looking for extra power when towing our 5.9L Performance will get you the power you need and are rated up to 1,100hp!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFreedom Series Performance heads Include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFire ring the cylinder head (All in the head)\u003c\/li\u003e\n\u003cli\u003e11 screw in freeze plugs (eliminates coolant leaks)\u003c\/li\u003e\n\u003cli\u003eHardened, oversized press in valve seats\u003c\/li\u003e\n\u003cli\u003eNew valve guide liners\u003c\/li\u003e\n\u003cli\u003eManley 1.300 inch stainless valves\u003c\/li\u003e\n\u003cli\u003e105 valve springs and steel retainers\u003c\/li\u003e\n\u003cli\u003eFire ring gasket kit with multi-layer steel gasket and 4.550 inch diameter rings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCore and crate return required - all paperwork and instructions for return included with the new cylinder head. You are responsible for all return shipping costs of the core.\u003c\/li\u003e\n\u003cli\u003eFollow All Installation Instructions; Valve lash required. Back off adjusters on rocker arms or damage will occur to the cylinder head.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":45270177906859,"sku":"FQWW-FPE-61-10006","price":3750.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198686834_cfcc183d-40c9-4e84-b6b9-56b9d5a2e730.jpg?v=1752599036"},{"product_id":"i-32044-fleece-performance-6-7l-freedom-series-cummins-cylinder-head-street-hd07-5-18-dodge-2500-3500-cummins-fpe-61-10007-hd","title":"Fleece Performance 6.7L Freedom Series Cummins Cylinder Head (Street HD)07.5-18 Dodge 2500\/3500 Cummins - FPE-61-10007-HD","description":"\u003cp\u003eIntroducing our Freedom Series cylinder heads - Give new life to your engine with our fully remanufactured Cummins cylinder head.\u003c\/p\u003e\n\u003cp\u003eEach head is manufactured in our state-of-the-art cylinder head machine shop and guaranteed to meet or exceed factory specifications.\u003c\/p\u003e\n\u003cp\u003eAll heads are inspected, pressure checked, decked, painted, and ready for installation. Plus, the 11 screw in freeze plugs ensure you'll never worry about a coolant leak under the valve cover again.\u003c\/p\u003e\n\u003cp\u003ePerfect for a daily driver or heavy duty towing, our Heavy Duty Street heads are rated for use up to 700hp.\u003cbr\u003e\u003cstrong\u003eFreedom Series Heavy Duty Street heads Include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e11 Screw in Freeze Plugs (eliminates coolant leaks)\u003c\/li\u003e\n\u003cli\u003eHardened, oversized press-in valve seats\u003c\/li\u003e\n\u003cli\u003eFleece heavy duty 105 valve springs\u003c\/li\u003e\n\u003cli\u003eFleece tool steel retainers\u003c\/li\u003e\n\u003cli\u003eNew valve guide liners\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHead gasket not included. We recommend the use of Mahle 54774 or Cummins 4932210.\u003c\/li\u003e\n\u003cli\u003eCore and crate return required - all paperwork and instructions for return included with the new cylinder head. Read our core charge policy here. You are responsible for all return shipping costs of the core.\u003c\/li\u003e\n\u003cli\u003eFollow all installation instructions. Installation by an experienced technician recommended. Valve lash required. Back off adjusters on rocker arms or damage will occur to the cylinder head.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":45270179643563,"sku":"FQWW-FPE-61-10007-HD","price":2599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198686910_ce6dfb93-bd94-454f-8c07-ac0aea181c12.jpg?v=1752599018"},{"product_id":"i-32045-fleece-performance-5-9l-freedom-series-cummins-cylinder-head-street-hd-2003-2007-dodge-2500-3500-cummins-fpe-61-10005-hd","title":"Fleece Performance 5.9L Freedom Series Cummins Cylinder Head (Street HD) 2003-2007 Dodge 2500-3500 Cummins - FPE-61-10005-HD","description":"\u003cp\u003eIntroducing our Freedom Series cylinder heads - Give new life to your engine with our fully remanufactured Cummins cylinder head. Each head is manufactured in our state-of-the-art cylinder head machine shop and guaranteed to meet or exceed factory specifications.\u003c\/p\u003e\n\u003cp\u003eAll heads are inspected, pressure checked, decked, painted, and ready for installation. Plus, the 11 screw in freeze plugs ensure you'll never worry about a coolant leak under the valve cover again. Perfect for a daily driver or heavy duty towing, our Heavy Duty Street heads are rated for use up to 700hp.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Freedom Series Heavy Duty Street heads Include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e11 Screw in Freeze Plugs (eliminates coolant leaks)\u003c\/li\u003e\n\u003cli\u003eHardened, oversized press-in valve seats\u003c\/li\u003e\n\u003cli\u003eFleece heavy duty 105 valve springs\u003c\/li\u003e\n\u003cli\u003eFleece tool steel retainers\u003c\/li\u003e\n\u003cli\u003eNew valve guide liners\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHead gasket not included. We recommend the use of Mahle 54556A or Cummins 3958645.\u003c\/li\u003e\n\u003cli\u003eCore and crate return required - all paperwork and instructions for return included with the new cylinder head. You are responsible for all return shipping costs of the core.\u003c\/li\u003e\n\u003cli\u003eFollow all installation instructions. Installation by an experienced technician recommended. Valve lash required. Back off adjusters on rocker arms or damage will occur to the cylinder head.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":45270179676331,"sku":"FQWW-FPE-61-10005-HD","price":2599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198686911_ed8d6b97-ee1e-45d4-b357-a7740a610a98.jpg?v=1752599017"},{"product_id":"i-32165-fleece-performance-oe-replacement-head-gasket-for-6-7l-cummins-standard-thickness-fpe-cumm-hg-6-7","title":"Fleece Performance OE Replacement Head Gasket for 6.7L Cummins (Standard Thickness) - FPE-CUMM-HG-6.7","description":"\u003cp\u003eTrust Fleece Performance to bring you the best OE alternative parts you need! Our replacement head gasket for the 6.7L Cummins will ensure your engine gets the optimal reseal.\u003cbr\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOE Replacement Head Gasket for 6.7L Cummins (Standard Thickness)\u003c\/li\u003e\n\u003cli\u003eStandard thickness\u003c\/li\u003e\n\u003cli\u003eMulti-layer steel construction\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds OE specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eApplication Notes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReplaces Cummins P\/N: 4932210\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":45270182494379,"sku":"FQWW-FPE-CUMM-HG-6.7","price":119.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198687270_31c38171-bb74-4b1f-a633-010a4082fdee.png?v=1752599003"},{"product_id":"i-32166-fleece-performance-oe-replacement-head-gasket-for-5-9l-cummins-thick-fpe-cumm-hg-5-9","title":"Fleece Performance OE Replacement Head Gasket for 5.9L Cummins (Thick) - FPE-CUMM-HG-5.9","description":"\u003cp\u003eTrust Fleece Performance to bring you the best OE alternative parts you need! Our replacement head gasket for the 2003-2007 Dodge 5.9L Cummins will ensure your engine gets the optimal reseal.\u003cbr\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOE Replacement Head Gasket for 5.9L Cummins (Thick)\u003c\/li\u003e\n\u003cli\u003e1.25 mm thickness\u003c\/li\u003e\n\u003cli\u003eMulti-layer steel construction\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds OE specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eApplication Notes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReplaces Cummins P\/N: 3958645\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":45270182527147,"sku":"FQWW-FPE-CUMM-HG-5.9","price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198687271_c3e0dd3a-88a2-48fd-8976-d6d9dc1a84a3.png?v=1752599003"},{"product_id":"i-31707-industrial-injection-gm-race-heads-for-11-16-lml-6-0l-duramax-pdm-lmlrh","title":"Industrial Injection GM Race Heads For 11-16 LML 6.0L Duramax - PDM-LMLRH","description":"\u003cp\u003eThe Industrial Injection LML Duramax Race Heads are designed for the racer \/ sled puller in mind. Fully CNC ported heads complete ready to bolt on.\u003c\/p\u003e\n\u003cp\u003eHeads are first jet washed in a high pressure spray cabinet to remove oil and dirt, then glass beaded to remove carbon. Next they are checked by magnafluxing, (cast iron only) or pressure testing. They are visually inspected for defects that would make them unusable. Valve guides and seats are removed as needed for porting.\u003c\/p\u003e\n\u003cp\u003ePort development is accomplished using a superflow 600 flow bench with a computer recording all flow measurements.\u003c\/p\u003e\n\u003cp\u003eMany things are considered when designing a cylinder head Port; air flow is only one of the things to think about. Another major concern is port wall thickness.\u003c\/p\u003e\n\u003cp\u003eAnyone can get a head to produce high flow numbers, but if doing so leaves the port wall to thin the casting will crack. High performance Diesel heads are more prone to crack because of the thermal shock experienced by excessive intermittent or long term exhaust temperatures.\u003c\/p\u003e\n\u003cp\u003eThe porting is then preformed using a new 5 Axis CNC Cylinder Head Porting Machine with CAD\/CAM software specifically designed for cylinder head porting. CNC porting brings unparalleled accuracy to head porting with each port flowing the same. This helps balance the power that each cylinder produces, making tuning easier.\u003c\/p\u003e\n\u003cp\u003eNew High Strength Alloy, Heat Treated iron based valve guides are installed. These guides are heat treated to Rockwell 22 Scale, which produces the ultimate in wear resistance. This is far superior to original guide material, including Bronze. The guide incorporates a spiral grove inside the guide to hold oil and aid the lubrication of the valve during engine operation.\u003c\/p\u003e\n\u003cp\u003eGuides are then honed (not reamed) to exact size using a diamond honing mandrel. Diamond abrasives allow for consistency of size, surface finish, and bore geometry with no variation from guide to guide. The guide size is then verified using a valve guide bore gauge.\u003c\/p\u003e\n\u003cp\u003eAs needed the head receives new Premium valve seat inserts made from a true Nickel Based Non-Magnetic material that was developed for extreme operating conditions.\u003c\/p\u003e\n\u003cp\u003eNext the head is treated to a multi angle valve job to help maximize the flow of air in and out of the head. This is accomplished using a Serdi 100 guide and seat machine.\u003c\/p\u003e\n\u003cp\u003eSerdi uses a solid carbide straight shank pilot. When inserted into the valve guide, it simulates the real valve stem during the centering process. This guarantees the valve seat is finished for a perfect valve to seat match.\u003c\/p\u003e\n\u003cp\u003eUsing CBN or Diamond tooling the head is given a new surface. With our berco milling machine we can control the surface finish to accommodate different head gasket types. For example MLS head gaskets require a very smooth surface finish.\u003c\/p\u003e\n\u003cp\u003eFinally the head is jet washed dried and assembled with new valve seals and new performance valve springs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e5 Axis CNC Cylinder Head Porting Machine with CAD\/CAM software specifically designed for cylinder head porting\u003c\/li\u003e\n\u003cli\u003eDiamond Honed Guides\u003c\/li\u003e\n\u003cli\u003eUnshrouded Valves\u003c\/li\u003e\n\u003cli\u003eHigh Strength Alloy, Heat Treated iron based valve guides\u003c\/li\u003e\n\u003cli\u003ePremium valve seat inserts made from a true Nickel Based Non-Magnetic material\u003c\/li\u003e\n\u003cli\u003eMulti angle valve job\u003c\/li\u003e\n\u003cli\u003ePerformance 130LB valve springs\u003c\/li\u003e\n\u003cli\u003eSold in a pair\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e To receive full core credit we need a good, re-useable pair of cylinder heads. No cracks, warping, or excessive wear.\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":45281007075499,"sku":"GHJV-PDM-LMLRH","price":3355.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198686128.jpg?v=1752527254"},{"product_id":"i-31708-industrial-injection-gm-remanufactured-stock-heads-for-11-16-lml-6-0l-duramax-pdm-lmlsh","title":"Industrial Injection GM Remanufactured Stock Heads For 11-16 LML 6.0L Duramax - PDM-LMLSH","description":"\u003cp\u003eThe Industrial Injection LML Duramax Stock Remanufactured Heads are designed to be a factory replacement. Complete ready to bolt on.Heads are first jet washed in a high pressure spray cabinet to remove oil and dirt, then glass beaded to remove carbon.\u003c\/p\u003e\n\u003cp\u003eNext they are checked by magnafluxing, (cast iron only) or pressure testing. They are visually inspected for defects that would make them unusable. New High Strength Alloy, Heat Treated iron based valve guides are installed.\u003c\/p\u003e\n\u003cp\u003eThese guides are heat treated to Rockwell 22 Scale, which produces the ultimate in wear resistance. This is far superior to original guide material, including Bronze. The guide incorporates a spiral grove inside the guide to hold oil and aid the lubrication of the valve during engine operation.\u003c\/p\u003e\n\u003cp\u003eGuides are then honed (not reamed) to exact size using a diamond honing mandrel. Diamond abrasives allow for consistency of size, surface finish, and bore geometry with no variation from guide to guide.\u003c\/p\u003e\n\u003cp\u003eThe guide size is then verified using a valve guide bore gauge. As needed the head receives new Premium valve seat inserts made from a true Nickel Based Non-Magnetic material that was developed for extreme operating conditions.\u003c\/p\u003e\n\u003cp\u003eNext the head is treated to a multi angle valve job to help maximize the flow of air in and out of the head. This is accomplished using a Serdi 100 guide and seat machine. Serdi uses a solid carbide straight shank pilot.\u003c\/p\u003e\n\u003cp\u003eWhen inserted into the valve guide, it simulates the real valve stem during the centering process. This guarantees the valve seat is finished for a perfect valve to seat match. Using CBN or Diamond tooling the head is given a new surface.\u003c\/p\u003e\n\u003cp\u003eWith our berco milling machine we can control the surface finish to accommodate different head gasket types. For example MLS head gaskets require a very smooth surface finish.Finally the head is jet washed dried and assembled with new valve seals and new valve springs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:������\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDirect Replacement\u003c\/li\u003e\n\u003cli\u003eDiamond Honed Guides\u003c\/li\u003e\n\u003cli\u003eUnshrouded Valves\u003c\/li\u003e\n\u003cli\u003eHigh Strength Alloy, Heat Treated iron based valve guides\u003c\/li\u003e\n\u003cli\u003ePremium valve seat inserts made from a true Nickel Based Non-Magnetic material\u003c\/li\u003e\n\u003cli\u003eMulti angle valve job\u003c\/li\u003e\n\u003cli\u003eNew valve springs\u003c\/li\u003e\n\u003cli\u003eSold in a pair\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e To receive full core credit we need a good, re-useable pair of cylinder heads. No cracks, warping, or excessive wear.\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":45281007337643,"sku":"GHJV-PDM-LMLSH","price":1453.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198686132.jpg?v=1752527253"},{"product_id":"i-31709-industrial-injection-gm-race-heads-for-06-10-lbz-lmm-6-6l-duramax-pdm-lbz-lmmrh","title":"Industrial Injection GM Race Heads For 06-10 LBZ LMM 6.6L Duramax - PDM-LBZ\/LMMRH","description":"\u003cp\u003eThe Industrial Injection LBZ\/LMM Duramax Race Heads are designed for the racer \/ sled puller in mind. Fully CNC ported heads complete ready to bolt on.\u003c\/p\u003e\n\u003cp\u003eHeads are first jet washed in a high pressure spray cabinet to remove oil and dirt, then glass beaded to remove carbon. Next they are checked by magnafluxing, (cast iron only) or pressure testing. They are visually inspected for defects that would make them unusable. Valve guides and seats are removed as needed for porting.\u003c\/p\u003e\n\u003cp\u003ePort development is accomplished using a superflow 600 flow bench with a computer recording all flow measurements.\u003c\/p\u003e\n\u003cp\u003eMany things are considered when designing a cylinder head Port; air flow is only one of the things to think about. Another major concern is port wall thickness.\u003c\/p\u003e\n\u003cp\u003eAnyone can get a head to produce high flow numbers, but if doing so leaves the port wall to thin the casting will crack. High performance Diesel heads are more prone to crack because of the thermal shock experienced by excessive intermittent or long term exhaust temperatures.\u003c\/p\u003e\n\u003cp\u003eThe porting is then preformed using a new 5 Axis CNC Cylinder Head Porting Machine with CAD\/CAM software specifically designed for cylinder head porting. CNC porting brings unparalleled accuracy to head porting with each port flowing the same. This helps balance the power that each cylinder produces, making tuning easier.\u003c\/p\u003e\n\u003cp\u003eNew High Strength Alloy, Heat Treated iron based valve guides are installed. These guides are heat treated to Rockwell 22 Scale, which produces the ultimate in wear resistance. This is far superior to original guide material, including Bronze. The guide incorporates a spiral grove inside the guide to hold oil and aid the lubrication of the valve during engine operation.\u003c\/p\u003e\n\u003cp\u003eGuides are then honed (not reamed) to exact size using a diamond honing mandrel. Diamond abrasives allow for consistency of size, surface finish, and bore geometry with no variation from guide to guide. The guide size is then verified using a valve guide bore gauge.\u003c\/p\u003e\n\u003cp\u003eAs needed the head receives new Premium valve seat inserts made from a true Nickel Based Non-Magnetic material that was developed for extreme operating conditions.\u003c\/p\u003e\n\u003cp\u003eNext the head is treated to a multi angle valve job to help maximize the flow of air in and out of the head. This is accomplished using a Serdi 100 guide and seat machine. Serdi uses a solid carbide straight shank pilot.\u003c\/p\u003e\n\u003cp\u003eWhen inserted into the valve guide, it simulates the real valve stem during the centering process. This guarantees the valve seat is finished for a perfect valve to seat match.\u003c\/p\u003e\n\u003cp\u003eUsing CBN or Diamond tooling the head is given a new surface. With our berco milling machine we can control the surface finish to accommodate different head gasket types. For example MLS head gaskets require a very smooth surface finish.\u003c\/p\u003e\n\u003cp\u003eFinally the head is jet washed dried and assembled with new valve seals and new performance valve springs.\u003c\/p\u003e\n\u003cp\u003eFeatures:\u003c\/p\u003e\n\u003cp\u003e5 Axis CNC Cylinder Head Porting Machine with CAD\/CAM software specifically designed for cylinder head porting\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDiamond Honed Guides\u003c\/li\u003e\n\u003cli\u003eUnshrouded Valves\u003c\/li\u003e\n\u003cli\u003eHigh Strength Alloy, Heat Treated iron based valve guides\u003c\/li\u003e\n\u003cli\u003ePremium valve seat inserts made from a true Nickel Based Non-Magnetic material\u003c\/li\u003e\n\u003cli\u003eMulti angle valve job\u003c\/li\u003e\n\u003cli\u003ePerformance 95LB valve springs\u003c\/li\u003e\n\u003cli\u003eSold in a pair\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e To receive full core credit we need a good, re-useable pair of cylinder heads. No cracks, warping, or excessive wear.\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":45281007403179,"sku":"GHJV-PDM-LBZ\/LMMRH","price":3254.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198686136.jpg?v=1752527252"},{"product_id":"i-31710-industrial-injection-gm-stock-remanufactured-heads-for-06-10-lbz-lmm-6-6l-duramax-pdm-lbz-lmmsh","title":"Industrial Injection GM Stock Remanufactured Heads For 06-10 LBZ LMM 6.6L Duramax - PDM-LBZ\/LMMSH","description":"\u003cp\u003eThe Industrial Injection LBZ\/LMM Duramax Stock Remanufactured Heads are designed to be a factory replacement. Complete ready to bolt on.\u003c\/p\u003e\n\u003cp\u003eHeads are first jet washed in a high pressure spray cabinet to remove oil and dirt, then glass beaded to remove carbon. Next they are checked by magnafluxing, (cast iron only) or pressure testing. They are visually inspected for defects that would make them unusable.\u003c\/p\u003e\n\u003cp\u003eNew High Strength Alloy, Heat Treated iron based valve guides are installed. These guides are heat treated to Rockwell 22 Scale, which produces the ultimate in wear resistance. This is far superior to original guide material, including Bronze. The guide incorporates a spiral grove inside the guide to hold oil and aid the lubrication of the valve during engine operation.\u003c\/p\u003e\n\u003cp\u003eGuides are then honed (not reamed) to exact size using a diamond honing mandrel. Diamond abrasives allow for consistency of size, surface finish, and bore geometry with no variation from guide to guide. The guide size is then verified using a valve guide bore gauge.\u003c\/p\u003e\n\u003cp\u003eAs needed the head receives new Premium valve seat inserts made from a true Nickel Based Non-Magnetic material that was developed for extreme operating conditions.\u003c\/p\u003e\n\u003cp\u003eNext the head is treated to a multi angle valve job to help maximize the flow of air in and out of the head. This is accomplished using a Serdi 100 guide and seat machine. Serdi uses a solid carbide straight shank pilot.\u003c\/p\u003e\n\u003cp\u003eWhen inserted into the valve guide, it simulates the real valve stem during the centering process. This guarantees the valve seat is finished for a perfect valve to seat match.\u003c\/p\u003e\n\u003cp\u003eUsing CBN or Diamond tooling the head is given a new surface. With our berco milling machine we can control the surface finish to accommodate different head gasket types. For example MLS head gaskets require a very smooth surface finish.\u003c\/p\u003e\n\u003cp\u003eFinally the head is jet washed dried and assembled with new valve seals and new valve springs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDirect Replacement\u003c\/li\u003e\n\u003cli\u003eDiamond Honed Guides\u003c\/li\u003e\n\u003cli\u003eUnshrouded Valves\u003c\/li\u003e\n\u003cli\u003eHigh Strength Alloy, Heat Treated iron based valve guides\u003c\/li\u003e\n\u003cli\u003ePremium valve seat inserts made from a true Nickel Based Non-Magnetic material\u003c\/li\u003e\n\u003cli\u003eMulti angle valve job\u003c\/li\u003e\n\u003cli\u003eNew valve springs\u003c\/li\u003e\n\u003cli\u003eSold in a pair\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e To receive full core credit we need a good, re-useable pair of cylinder heads. No cracks, warping, or excessive wear.\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":45281007435947,"sku":"GHJV-PDM-LBZ\/LMMSH","price":1409.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198686140.jpg?v=1752527252"},{"product_id":"i-31711-industrial-injection-gm-race-heads-for-2004-5-2005-lly-6-6l-duramax-pdm-llyrh","title":"Industrial Injection GM Race Heads For 2004.5-2005 LLY 6.6L Duramax - PDM-LLYRH","description":"\u003cp\u003eThe Industrial Injection LLY Duramax Race Heads are designed for the racer \/ sled puller in mind. Fully CNC ported heads complete ready to bolt on.\u003c\/p\u003e\n\u003cp\u003eHeads are first jet washed in a high pressure spray cabinet to remove oil and dirt, then glass beaded to remove carbon. Next they are checked by magnafluxing, (cast iron only) or pressure testing. They are visually inspected for defects that would make them unusable. Valve guides and seats are removed as needed for porting.\u003c\/p\u003e\n\u003cp\u003ePort development is accomplished using a superflow 600 flow bench with a computer recording all flow measurements.\u003c\/p\u003e\n\u003cp\u003eMany things are considered when designing a cylinder head Port; air flow is only one of the things to think about. Another major concern is port wall thickness.\u003c\/p\u003e\n\u003cp\u003eAnyone can get a head to produce high flow numbers, but if doing so leaves the port wall to thin the casting will crack. High performance Diesel heads are more prone to crack because of the thermal shock experienced by excessive intermittent or long term exhaust temperatures.\u003c\/p\u003e\n\u003cp\u003eThe porting is then preformed using a new 5 Axis CNC Cylinder Head Porting Machine with CAD\/CAM software specifically designed for cylinder head porting. CNC porting brings unparalleled accuracy to head porting with each port flowing the same. This helps balance the power that each cylinder produces, making tuning easier.\u003c\/p\u003e\n\u003cp\u003eNew High Strength Alloy, Heat Treated iron based valve guides are installed. These guides are heat treated to Rockwell 22 Scale, which produces the ultimate in wear resistance. This is far superior to original guide material, including Bronze.\u003c\/p\u003e\n\u003cp\u003eThe guide incorporates a spiral grove inside the guide to hold oil and aid the lubrication of the valve during engine operation.\u003c\/p\u003e\n\u003cp\u003eGuides are then honed (not reamed) to exact size using a diamond honing mandrel. Diamond abrasives allow for consistency of size, surface finish, and bore geometry with no variation from guide to guide. The guide size is then verified using a valve guide bore gauge.\u003c\/p\u003e\n\u003cp\u003eAs needed the head receives new Premium valve seat inserts made from a true Nickel Based Non-Magnetic material that was developed for extreme operating conditions.\u003c\/p\u003e\n\u003cp\u003eNext the head is treated to a multi angle valve job to help maximize the flow of air in and out of the head. This is accomplished using a Serdi 100 guide and seat machine. Serdi uses a solid carbide straight shank pilot.\u003c\/p\u003e\n\u003cp\u003eWhen inserted into the valve guide, it simulates the real valve stem during the centering process. This guarantees the valve seat is finished for a perfect valve to seat match.\u003c\/p\u003e\n\u003cp\u003eUsing CBN or Diamond tooling the head is given a new surface. With our berco milling machine we can control the surface finish to accommodate different head gasket types. For example MLS head gaskets require a very smooth surface finish.\u003c\/p\u003e\n\u003cp\u003eFinally the head is jet washed dried and assembled with new valve seals and new performance valve springs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e5 Axis CNC Cylinder Head Porting Machine with CAD\/CAM software specifically designed for cylinder head porting\u003c\/li\u003e\n\u003cli\u003eDiamond Honed Guides\u003c\/li\u003e\n\u003cli\u003eUnshrouded Valves\u003c\/li\u003e\n\u003cli\u003eHigh Strength Alloy, Heat Treated iron based valve guides\u003c\/li\u003e\n\u003cli\u003ePremium valve seat inserts made from a true Nickel Based Non-Magnetic material\u003c\/li\u003e\n\u003cli\u003emulti angle valve job\u003c\/li\u003e\n\u003cli\u003ePeformance 95LB valve springs\u003c\/li\u003e\n\u003cli\u003eSold in a pair\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e To receive full core credit we need a good, re-useable pair of cylinder heads. No cracks, warping, or excessive wear\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":45281007730859,"sku":"GHJV-PDM-LLYRH","price":3355.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198686144.jpg?v=1752527251"},{"product_id":"i-31712-industrial-injection-gm-remanufactured-heads-for-2004-5-2005-lly-6-6l-duramax-pdm-llysh","title":"Industrial Injection GM Remanufactured Heads For 2004.5-2005 LLY 6.6L Duramax - PDM-LLYSH","description":"\u003cp\u003eThe Industrial Injection LLY Duramax Stock Remanufactured Heads are designed to be a factory replacement. Complete ready to bolt on.\u003c\/p\u003e\n\u003cp\u003eHeads are first jet washed in a high pressure spray cabinet to remove oil and dirt, then glass beaded to remove carbon. Next they are checked by magnafluxing, (cast iron only) or pressure testing. They are visually inspected for defects that would make them unusable.\u003c\/p\u003e\n\u003cp\u003eNew High Strength Alloy, Heat Treated iron based valve guides are installed. These guides are heat treated to Rockwell 22 Scale, which produces the ultimate in wear resistance. This is far superior to original guide material, including Bronze. The guide incorporates a spiral grove inside the guide to hold oil and aid the lubrication of the valve during engine operation.\u003c\/p\u003e\n\u003cp\u003eGuides are then honed (not reamed) to exact size using a diamond honing mandrel. Diamond abrasives allow for consistency of size, surface finish, and bore geometry with no variation from guide to guide. The guide size is then verified using a valve guide bore gauge.\u003c\/p\u003e\n\u003cp\u003eAs needed the head receives new Premium valve seat inserts made from a true Nickel Based Non-Magnetic material that was developed for extreme operating conditions.\u003c\/p\u003e\n\u003cp\u003eNext the head is treated to a multi angle valve job to help maximize the flow of air in and out of the head. This is accomplished using a Serdi 100 guide and seat machine. Serdi uses a solid carbide straight shank pilot. When inserted into the valve guide, it simulates the real valve stem during the centering process. This guarantees the valve seat is finished for a perfect valve to seat match.\u003c\/p\u003e\n\u003cp\u003eUsing CBN or Diamond tooling the head is given a new surface. With our berco milling machine we can control the surface finish to accommodate different head gasket types. For example MLS head gaskets require a very smooth surface finish.\u003c\/p\u003e\n\u003cp\u003eFinally the head is jet washed dried and assembled with new valve seals and new valve springs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDirect Replacement\u003c\/li\u003e\n\u003cli\u003eDiamond Honed Guides\u003c\/li\u003e\n\u003cli\u003eUnshrouded Valves\u003c\/li\u003e\n\u003cli\u003eHigh Strength Alloy, Heat Treated iron based valve guides\u003c\/li\u003e\n\u003cli\u003ePremium valve seat inserts made from a true Nickel Based Non-Magnetic material\u003c\/li\u003e\n\u003cli\u003eMulti angle valve job\u003c\/li\u003e\n\u003cli\u003eNew valve springs\u003c\/li\u003e\n\u003cli\u003eSold in a pair\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e These heads are converted from LBZ\/LMM heads because of the lack of quality LLY head cores. You will need to use LBZ\/LMM Glow plugs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e To receive full core credit we need a good, re-useable pair of cylinder heads. No cracks, warping, or excessive wear.\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":45281007763627,"sku":"GHJV-PDM-LLYSH","price":1453.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198686148.jpg?v=1752527250"},{"product_id":"i-31713-industrial-injection-gm-remanufactured-stock-heads-for-01-04-lb7-duramax-with-torque-lock-caps-pdm-lb7sh-tl","title":"Industrial Injection GM Remanufactured Stock Heads For 01-04 LB7 Duramax With Torque Lock Caps - PDM-LB7SH-TL","description":"\u003cp\u003eThe Industrial Injection LB7 Duramax Stock Remanufactured Heads with Torque Lock Cups are designed to be an upgraded factory replacement. Complete ready to bolt on.\u003c\/p\u003e\n\u003cp\u003eHeads are first jet washed in a high pressure spray cabinet to remove oil and dirt, then glass beaded to remove carbon. Next they are checked by magnafluxing, (cast iron only) or pressure testing. They are visually inspected for defects that would make them unusable.\u003c\/p\u003e\n\u003cp\u003eNew High Strength Alloy, Heat Treated iron based valve guides are installed. These guides are heat treated to Rockwell 22 Scale, which produces the ultimate in wear resistance. This is far superior to original guide material, including Bronze.\u003c\/p\u003e\n\u003cp\u003eThe guide incorporates a spiral grove inside the guide to hold oil and aid the lubrication of the valve during engine operation.\u003c\/p\u003e\n\u003cp\u003eGuides are then honed (not reamed) to exact size using a diamond honing mandrel. Diamond abrasives allow for consistency of size, surface finish, and bore geometry with no variation from guide to guide. The guide size is then verified using a valve guide bore gauge.\u003c\/p\u003e\n\u003cp\u003eAs needed the head receives new Premium valve seat inserts made from a true Nickel Based Non-Magnetic material that was developed for extreme operating conditions.\u003c\/p\u003e\n\u003cp\u003eNext the head is treated to a multi angle valve job to help maximize the flow of air in and out of the head. This is accomplished using a Serdi 100 guide and seat machine. Serdi uses a solid carbide straight shank pilot.\u003c\/p\u003e\n\u003cp\u003eWhen inserted into the valve guide, it simulates the real valve stem during the centering process.\u003c\/p\u003e\n\u003cp\u003eThis guarantees the valve seat is finished for a perfect valve to seat match.\u003c\/p\u003e\n\u003cp\u003eUsing CBN or Diamond tooling the head is given a new surface. With our Berco milling machine we can control the surface finish to accommodate different head gasket types. For example MLS head gaskets require a very smooth surface finish.\u003c\/p\u003e\n\u003cp\u003eFinally the head is jet washed dried and assembled with new valve seals and new valve springs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDirect Replacement\u003c\/li\u003e\n\u003cli\u003eDiamond Honed Guides\u003c\/li\u003e\n\u003cli\u003eUnshrouded Valves\u003c\/li\u003e\n\u003cli\u003eHigh Strength Alloy, Heat Treated iron based valve guides\u003c\/li\u003e\n\u003cli\u003ePremium valve seat inserts made from a true Nickel Based Non-Magnetic material\u003c\/li\u003e\n\u003cli\u003eMulti angle valve job\u003c\/li\u003e\n\u003cli\u003eNew valve springs\u003c\/li\u003e\n\u003cli\u003eTorque Lock Cups Installed\u003c\/li\u003e\n\u003cli\u003eSold in a pair\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e To receive full core credit we need a good, reusable pair of cylinder heads. No cracks, warping, or excessive wear.\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":45281008255147,"sku":"GHJV-PDM-LB7SH-TL","price":2224.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198686151.jpg?v=1752527249"},{"product_id":"i-31714-industrial-injection-gm-race-heads-for-01-04-6-6l-duramax-pdm-lb7rh","title":"Industrial Injection GM Race Heads For 01-04 6.6L Duramax - PDM-LB7RH","description":"\u003cp\u003eThe Industrial Injection LB7 Duramax Race Heads are designed for the racer \/ sled puller in mind. Fully CNC ported heads with screw in torque lock injector cups complete ready to bolt on.\u003c\/p\u003e\n\u003cp\u003eHeads are first jet washed in a high pressure spray cabinet to remove oil and dirt, then glass beaded to remove carbon. Next they are checked by magnafluxing, (cast iron only) or pressure testing. They are visually inspected for defects that would make them unusable. Valve guides and seats are removed as needed for porting.\u003c\/p\u003e\n\u003cp\u003ePort development is accomplished using a superflow 600 flow bench with a computer recording all flow measurements.\u003c\/p\u003e\n\u003cp\u003eMany things are considered when designing a cylinder head Port; air flow is only one of the things to think about. Another major concern is port wall thickness.\u003c\/p\u003e\n\u003cp\u003eAnyone can get a head to produce high flow numbers, but if doing so leaves the port wall to thin the casting will crack. High performance Diesel heads are more prone to crack because of the thermal shock experienced by excessive intermittent or long term exhaust temperatures.\u003c\/p\u003e\n\u003cp\u003eThe porting is then preformed using a new 5 Axis CNC Cylinder Head Porting Machine with CAD\/CAM software specifically designed for cylinder head porting. CNC porting brings unparalleled accuracy to head porting with each port flowing the same. This helps balance the power that each cylinder produces, making tuning easier.\u003c\/p\u003e\n\u003cp\u003eNew High Strength Alloy, Heat Treated iron based valve guides are installed. These guides are heat treated to Rockwell 22 Scale, which produces the ultimate in wear resistance. This is far superior to original guide material, including Bronze.\u003c\/p\u003e\n\u003cp\u003eThe guide incorporates a spiral grove inside the guide to hold oil and aid the lubrication of the valve during engine operation.\u003c\/p\u003e\n\u003cp\u003eGuides are then honed (not reamed) to exact size using a diamond honing mandrel. Diamond abrasives allow for consistency of size, surface finish, and bore geometry with no variation from guide to guide. The guide size is then verified using a valve guide bore gauge.\u003c\/p\u003e\n\u003cp\u003eAs needed the head receives new Premium valve seat inserts made from a true Nickel Based Non-Magnetic material that was developed for extreme operating conditions.\u003c\/p\u003e\n\u003cp\u003eNext the head is treated to a multi angle valve job to help maximize the flow of air in and out of the head. This is accomplished using a Serdi 100 guide and seat machine. Serdi uses a solid carbide straight shank pilot.\u003c\/p\u003e\n\u003cp\u003eWhen inserted into the valve guide, it simulates the real valve stem during the centering process. This guarantees the valve seat is finished for a perfect valve to seat match.\u003c\/p\u003e\n\u003cp\u003eUsing CBN or Diamond tooling the head is given a new surface. With our berco milling machine we can control the surface finish to accommodate different head gasket types. For example MLS head gaskets require a very smooth surface finish.\u003c\/p\u003e\n\u003cp\u003eFinally the head is jet washed dried and assembled with new valve seals and new performance valve springs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e5 Axis CNC Cylinder Head Porting Machine with CAD\/CAM software specifically designed for cylinder head porting\u003c\/li\u003e\n\u003cli\u003eScrew in injector torque lock cups\u003c\/li\u003e\n\u003cli\u003eDiamond Honed Guides\u003c\/li\u003e\n\u003cli\u003eUnshrouded Valves\u003c\/li\u003e\n\u003cli\u003eHigh Strength Alloy, Heat Treated iron based valve guides\u003c\/li\u003e\n\u003cli\u003ePremium valve seat inserts made from a true Nickel Based Non-Magnetic material\u003c\/li\u003e\n\u003cli\u003emulti angle valve job\u003c\/li\u003e\n\u003cli\u003ePeformance 95LB valve springs\u003c\/li\u003e\n\u003cli\u003eSold in a pair\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e To receive full core credit we need a good, re-useable pair of cylinder heads. No cracks, warping, or excessive wear.\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":45281008517291,"sku":"GHJV-PDM-LB7RH","price":4362.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198686155.jpg?v=1752527248"},{"product_id":"i-31715-industrial-injection-gm-remanufactured-stock-heads-for-01-04-lb7-duramax-pdm-lb7sh","title":"Industrial Injection GM Remanufactured Stock Heads For 01-04 LB7 Duramax - PDM-LB7SH","description":"\u003cp\u003eThe Industrial Injection LB7 Duramax Stock Remanufactured Heads are designed to be a factory replacement. Complete ready to bolt on.\u003c\/p\u003e\n\u003cp\u003eHeads are first jet washed in a high pressure spray cabinet to remove oil and dirt, then glass beaded to remove carbon. Next they are checked by magnafluxing, (cast iron only) or pressure testing. They are visually inspected for defects that would make them unusable.\u003c\/p\u003e\n\u003cp\u003eNew High Strength Alloy, Heat Treated iron based valve guides are installed. These guides are heat treated to Rockwell 22 Scale, which produces the ultimate in wear resistance. This is far superior to original guide material, including Bronze. The guide incorporates a spiral grove inside the guide to hold oil and aid the lubrication of the valve during engine operation.\u003c\/p\u003e\n\u003cp\u003eGuides are then honed (not reamed) to exact size using a diamond honing mandrel. Diamond abrasives allow for consistency of size, surface finish, and bore geometry with no variation from guide to guide. The guide size is then verified using a valve guide bore gauge.\u003c\/p\u003e\n\u003cp\u003eAs needed the head receives new Premium valve seat inserts made from a true Nickel Based Non-Magnetic material that was developed for extreme operating conditions.\u003c\/p\u003e\n\u003cp\u003eNext the head is treated to a multi angle valve job to help maximize the flow of air in and out of the head. This is accomplished using a Serdi 100 guide and seat machine. Serdi uses a solid carbide straight shank pilot.\u003c\/p\u003e\n\u003cp\u003eWhen inserted into the valve guide, it simulates the real valve stem during the centering process. This guarantees the valve seat is finished for a perfect valve to seat match.\u003c\/p\u003e\n\u003cp\u003eUsing CBN or Diamond tooling the head is given a new surface. With our berco milling machine we can control the surface finish to accommodate different head gasket types. For example MLS head gaskets require a very smooth surface finish.\u003c\/p\u003e\n\u003cp\u003eFinally the head is jet washed dried and assembled with new valve seals and new valve springs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDirect Replacement\u003c\/li\u003e\n\u003cli\u003eDiamond Honed Guides\u003c\/li\u003e\n\u003cli\u003eUnshrouded Valves\u003c\/li\u003e\n\u003cli\u003eHigh Strength Alloy, Heat Treated iron based valve guides\u003c\/li\u003e\n\u003cli\u003ePremium valve seat inserts made from a true Nickel Based Non-Magnetic material\u003c\/li\u003e\n\u003cli\u003eMulti angle valve job\u003c\/li\u003e\n\u003cli\u003eNew valve springs\u003c\/li\u003e\n\u003cli\u003eSold in a pair\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e To receive full core credit we need a good, re-useable pair of cylinder heads. No cracks, warping, or excessive wear.\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":45281008550059,"sku":"GHJV-PDM-LB7SH","price":1409.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198686159.jpg?v=1752527248"},{"product_id":"i-31768-industrial-injection-dodge-race-head-for-89-98-5-9-cummins-pdm-12vrh","title":"Industrial Injection Dodge Race Head For 89-98 5.9: Cummins - PDM-12VRH","description":"\u003cp\u003eThe Industrial Injection 5.9L 24v Cummins Race Heads are designed for the racer \/ sled puller in mind. Fully CNC ported heads complete and ready to bolt on.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCNC Ported Cylinder Head: (Milled off intake runner to accept ZZ Fab intake) sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe porting process preformed uses a new 5 Axis CNC Cylinder Head Porting Machine with CAD\/CAM software specifically designed for cylinder head porting. CNC porting brings unparalleled accuracy to head porting with each port flowing the same.\u003c\/p\u003e\n\u003cp\u003eThis helps balance the power that each cylinder produces, making tuning easier. After the CNC process we then hand blend each port to perfection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNew Performance Stainless Steel Valves:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe use the highest quality upgraded stainless steel valves with a nitrate coating for ultimate durability to out-perform and outlast any aftermarket or OE valves available.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Strength Alloy Valve Guides:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNew High Strength Alloy, Heat Treated iron based valve guides are installed. These guides are heat treated to Rockwell 22 Scale, which produces the ultimate in wear resistance. This is far superior to original guide material, including Bronze. The guide incorporates a spiral grove inside the guide to hold oil and aid the lubrication of the valve during engine operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance High Temp Valve Seats:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePremium valve seat inserts made from a true Nickel Based Non-Magnetic material that was developed for extreme operating conditions. These performance valve seats immensely reduce the possibility or dropping a valve seat.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDrilled and Tapped Coolant Freeze Plugs In Head:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe factory head has press in freeze plugs that are prone to leaking and blowing out under the valve cover. This process eliminates the failure from ever happening to you with our cylinder heads. We use high quality steel plugs where others use aluminum that are prone to leak.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFire Ringed Head:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe fire ringed head procedure was designed to use with our custom fire ring head gasket which utilizes a radius cut steel fire ring to virtually eliminate head gasket failures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eValve Springs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe use the highest quality brand new performance 120lb valves springs custom made right here in the USA. We designed these springs to offer more lift than the competition. Each valve spring is tested multiple times in house before assembly to ensure it maintains it proper spring rate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Build Process:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHeads are first jet washed in a high pressure spray cabinet to remove oil and dirt, then glass beaded to remove carbon. Next they are checked by magnafluxing, (cast iron only) or pressure testing. They are visually inspected for defects that would make them unusable. Valve guides and seats are removed as needed for porting.\u003c\/p\u003e\n\u003cp\u003ePort development is accomplished using a superflow 600 flow bench with a computer recording all flow measurements.\u003cbr\u003eMany things are considered when designing a cylinder head Port; air flow is only one of the things to think about. Another major concern is port wall thickness.\u003c\/p\u003e\n\u003cp\u003eAnyone can get a head to produce high flow numbers, but if doing so leaves the port wall to thin the casting will crack. High performance Diesel heads are more prone to crack because of the thermal shock experienced by excessive intermittent or long term exhaust temperatures.\u003c\/p\u003e\n\u003cp\u003eThe porting is then preformed using a new 5 Axis CNC Cylinder Head Porting Machine with CAD\/CAM software specifically designed for cylinder head porting. CNC porting brings unparalleled accuracy to head porting with each port flowing the same. This helps balance the power that each cylinder produces, making tuning easier.\u003c\/p\u003e\n\u003cp\u003eNew High Strength Alloy, Heat Treated iron based valve guides are installed. These guides are heat treated to Rockwell 22 Scale, which produces the ultimate in wear resistance. This is far superior to original guide material, including Bronze. The guide incorporates a spiral grove inside the guide to hold oil and aid the lubrication of the valve during engine operation.\u003c\/p\u003e\n\u003cp\u003eGuides are then honed (not reamed) to exact size using a diamond honing mandrel. Diamond abrasives allow for consistency of size, surface finish, and bore geometry with no variation from guide to guide. The guide size is then verified using a valve guide bore gauge.\u003c\/p\u003e\n\u003cp\u003eAs needed the head receives new Premium valve seat inserts made from a true Nickel Based Non-Magnetic material that was developed for extreme operating conditions.\u003c\/p\u003e\n\u003cp\u003eNext the head is treated to a multi angle valve job to help maximize the flow of air in and out of the head. This is accomplished using a Serdi 100 guide and seat machine.\u003c\/p\u003e\n\u003cp\u003eSerdi uses a solid carbide straight shank pilot. When inserted into the valve guide, it simulates the real valve stem during the centering process. This guarantees the valve seat is finished for a perfect valve to seat match.\u003c\/p\u003e\n\u003cp\u003eUsing CBN or Diamond tooling the head is given a new surface. With our berco milling machine we can control the surface finish to accommodate different head gasket types. For example MLS head gaskets require a very smooth surface finish.\u003c\/p\u003e\n\u003cp\u003eFinally the head is jet washed dried and assembled with new valve seals and new performance valve springs.\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":45281020969131,"sku":"GHJV-PDM-12VRH","price":5858.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198686357.jpg?v=1752527204"},{"product_id":"i-31769-industrial-injection-dodge-performance-head-for-89-98-5-9l-cummins-pdm-12vsth","title":"Industrial Injection Dodge Performance Head For 89-98 5.9L Cummins - PDM-12VSTH","description":"\u003cp\u003eThe Industrial Injection 5.9L 12v Cummins Race Heads are designed for the racer \/ sled puller in mind. Fully CNC ported heads complete and ready to bolt on.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCNC Ported Cylinder Head:\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe porting process preformed uses a new 5 Axis CNC Cylinder Head Porting Machine with CAD\/CAM software specifically designed for cylinder head porting. CNC porting brings unparalleled accuracy to head porting with each port flowing the same.\u003c\/p\u003e\n\u003cp\u003eThis helps balance the power that each cylinder produces, making tuning easier. After the CNC process we then hand blend each port to perfection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNew Performance Stainless Steel Valves:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe use the highest quality upgraded stainless steel valves with a nitrate coating for ultimate durability to out-perform and outlast any aftermarket or OE valves available.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Strength Alloy Valve Guides:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNew High Strength Alloy, Heat Treated iron based valve guides are installed. These guides are heat treated to Rockwell 22 Scale, which produces the ultimate in wear resistance. This is far superior to original guide material, including Bronze. The guide incorporates a spiral grove inside the guide to hold oil and aid the lubrication of the valve during engine operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance High Temp Valve Seats:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePremium valve seat inserts made from a true Nickel Based Non-Magnetic material that was developed for extreme operating conditions. These performance valve seats immensely reduce the possibility or dropping a valve seat.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDrilled and Tapped Coolant Freeze Plugs In Head:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe factory head has press in freeze plugs that are prone to leaking and blowing out under the valve cover. This process eliminates the failure from ever happening to you with our cylinder heads. We use high quality steel plugs where others use aluminum that are prone to leak.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFire Ringed Head:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe fire ringed head procedure was designed to use with our custom fire ring head gasket which utilizes a radius cut steel fire ring to virtually eliminate head gasket failures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eValve Springs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe use the highest quality brand new performance 120lb valves springs custom made right here in the USA. We designed these springs to offer more lift than the competition. Each valve spring is tested multiple times in house before assembly to ensure it maintains it proper spring rate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Build Process:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHeads are first jet washed in a high pressure spray cabinet to remove oil and dirt, then glass beaded to remove carbon. Next they are checked by magnafluxing, (cast iron only) or pressure testing. They are visually inspected for defects that would make them unusable. Valve guides and seats are removed as needed for porting.\u003c\/p\u003e\n\u003cp\u003ePort development is accomplished using a superflow 600 flow bench with a computer recording all flow measurements.\u003cbr\u003eMany things are considered when designing a cylinder head Port; air flow is only one of the things to think about. Another major concern is port wall thickness.\u003c\/p\u003e\n\u003cp\u003eAnyone can get a head to produce high flow numbers, but if doing so leaves the port wall to thin the casting will crack. High performance Diesel heads are more prone to crack because of the thermal shock experienced by excessive intermittent or long term exhaust temperatures.\u003c\/p\u003e\n\u003cp\u003eThe porting is then preformed using a new 5 Axis CNC Cylinder Head Porting Machine with CAD\/CAM software specifically designed for cylinder head porting. CNC porting brings unparalleled accuracy to head porting with each port flowing the same. This helps balance the power that each cylinder produces, making tuning easier.\u003c\/p\u003e\n\u003cp\u003eNew High Strength Alloy, Heat Treated iron based valve guides are installed. These guides are heat treated to Rockwell 22 Scale, which produces the ultimate in wear resistance. This is far superior to original guide material, including Bronze. The guide incorporates a spiral grove inside the guide to hold oil and aid the lubrication of the valve during engine operation.\u003c\/p\u003e\n\u003cp\u003eGuides are then honed (not reamed) to exact size using a diamond honing mandrel. Diamond abrasives allow for consistency of size, surface finish, and bore geometry with no variation from guide to guide. The guide size is then verified using a valve guide bore gauge.\u003c\/p\u003e\n\u003cp\u003eAs needed the head receives new Premium valve seat inserts made from a true Nickel Based Non-Magnetic material that was developed for extreme operating conditions.\u003c\/p\u003e\n\u003cp\u003eNext the head is treated to a multi angle valve job to help maximize the flow of air in and out of the head. This is accomplished using a Serdi 100 guide and seat machine.\u003c\/p\u003e\n\u003cp\u003eSerdi uses a solid carbide straight shank pilot. When inserted into the valve guide, it simulates the real valve stem during the centering process. This guarantees the valve seat is finished for a perfect valve to seat match.\u003c\/p\u003e\n\u003cp\u003eUsing CBN or Diamond tooling the head is given a new surface. With our berco milling machine we can control the surface finish to accommodate different head gasket types. For example MLS head gaskets require a very smooth surface finish.\u003c\/p\u003e\n\u003cp\u003eFinally the head is jet washed dried and assembled with new valve seals and new performance valve springs.\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":45281021493419,"sku":"GHJV-PDM-12VSTH","price":3037.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198686360.jpg?v=1752527203"},{"product_id":"i-31770-industrial-injection-dodge-permium-stock-plus-head-for-89-98-5-9l-cummins-pdm-12vstkh","title":"Industrial Injection Dodge Permium Stock Plus Head For 89-98 5.9L Cummins - PDM-12VSTKH","description":"\u003cp\u003eThe Industrial Injection 5.9L 24v Cummins Race Heads are designed for the racer \/ sled puller in mind. Fully CNC ported heads complete and ready to bolt on.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNew Performance Stainless Steel Valves:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe use the highest quality upgraded stainless steel valves with a nitrate coating for ultimate durability to out-perform and outlast any aftermarket or OE valves available.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Strength Alloy Valve Guides:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNew High Strength Alloy, Heat Treated iron based valve guides are installed. These guides are heat treated to Rockwell 22 Scale, which produces the ultimate in wear resistance. This is far superior to original guide material, including Bronze. The guide incorporates a spiral grove inside the guide to hold oil and aid the lubrication of the valve during engine operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance High Temp Valve Seats:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePremium valve seat inserts made from a true Nickel Based Non-Magnetic material that was developed for extreme operating conditions. These performance valve seats immensely reduce the possibility or dropping a valve seat.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDrilled and Tapped Coolant Freeze Plugs In Head:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe factory head has press in freeze plugs that are prone to leaking and blowing out under the valve cover. This process eliminates the failure from ever happening to you with our cylinder heads. We use high quality steel plugs where others use aluminum that are prone to leak.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFire Ringed Head:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe fire ringed head procedure was designed to use with our custom fire ring head gasket which utilizes a radius cut steel fire ring to virtually eliminate head gasket failures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eValve Springs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe use the highest quality brand new performance 120lb valves springs custom made right here in the USA. We designed these springs to offer more lift than the competition. Each valve spring is tested multiple times in house before assembly to ensure it maintains it proper spring rate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Build Process:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHeads are first jet washed in a high pressure spray cabinet to remove oil and dirt, then glass beaded to remove carbon. Next they are checked by magnafluxing, (cast iron only) or pressure testing. They are visually inspected for defects that would make them unusable. Valve guides and seats are removed as needed for porting.\u003c\/p\u003e\n\u003cp\u003ePort development is accomplished using a superflow 600 flow bench with a computer recording all flow measurements.\u003cbr\u003eMany things are considered when designing a cylinder head Port; air flow is only one of the things to think about. Another major concern is port wall thickness.\u003c\/p\u003e\n\u003cp\u003eAnyone can get a head to produce high flow numbers, but if doing so leaves the port wall to thin the casting will crack. High performance Diesel heads are more prone to crack because of the thermal shock experienced by excessive intermittent or long term exhaust temperatures.\u003c\/p\u003e\n\u003cp\u003eThe porting is then preformed using a new 5 Axis CNC Cylinder Head Porting Machine with CAD\/CAM software specifically designed for cylinder head porting. CNC porting brings unparalleled accuracy to head porting with each port flowing the same. This helps balance the power that each cylinder produces, making tuning easier.\u003c\/p\u003e\n\u003cp\u003eNew High Strength Alloy, Heat Treated iron based valve guides are installed. These guides are heat treated to Rockwell 22 Scale, which produces the ultimate in wear resistance. This is far superior to original guide material, including Bronze. The guide incorporates a spiral grove inside the guide to hold oil and aid the lubrication of the valve during engine operation.\u003c\/p\u003e\n\u003cp\u003eGuides are then honed (not reamed) to exact size using a diamond honing mandrel. Diamond abrasives allow for consistency of size, surface finish, and bore geometry with no variation from guide to guide. The guide size is then verified using a valve guide bore gauge.\u003c\/p\u003e\n\u003cp\u003eAs needed the head receives new Premium valve seat inserts made from a true Nickel Based Non-Magnetic material that was developed for extreme operating conditions.\u003c\/p\u003e\n\u003cp\u003eNext the head is treated to a multi angle valve job to help maximize the flow of air in and out of the head. This is accomplished using a Serdi 100 guide and seat machine.\u003c\/p\u003e\n\u003cp\u003eSerdi uses a solid carbide straight shank pilot. When inserted into the valve guide, it simulates the real valve stem during the centering process. This guarantees the valve seat is finished for a perfect valve to seat match.\u003c\/p\u003e\n\u003cp\u003eUsing CBN or Diamond tooling the head is given a new surface. With our berco milling machine we can control the surface finish to accommodate different head gasket types. For example MLS head gaskets require a very smooth surface finish.\u003c\/p\u003e\n\u003cp\u003eFinally the head is jet washed dried and assembled with new valve seals and new performance valve springs.\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":45281021755563,"sku":"GHJV-PDM-12VSTKH","price":1139.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198686362.jpg?v=1752527202"},{"product_id":"i-31771-industrial-injection-dodge-race-head-for-03-07-5-9l-cummins-stage-2-pdm-59rhc","title":"Industrial Injection Dodge Race Head For 03-07 5.9L Cummins Stage 2 - PDM-59RHC","description":"\u003cp\u003eThe Industrial Injection 5.9L Cummins Race Heads are designed for the racer \/ sled puller in mind. Fully CNC ported heads complete and ready to bolt on.\u003c\/p\u003e\n\u003cp\u003eCNC Ported Cylinder Head: (Milled off intake runner to accept ZZ Fab intake) sold separately\u003c\/p\u003e\n\u003cp\u003eThe porting process preformed uses a new 5 Axis CNC Cylinder Head Porting Machine with CAD\/CAM software specifically designed for cylinder head porting. CNC porting brings unparalleled accuracy to head porting with each port flowing the same.\u003c\/p\u003e\n\u003cp\u003eThis helps balance the power that each cylinder produces, making tuning easier. After the CNC process we then hand blend each port to perfection.\u003c\/p\u003e\n\u003cp\u003eNew Performance Custom Port Oversized 34mm Stainless Steel Valves:\u003c\/p\u003e\n\u003cp\u003eWe use the highest quality upgraded stainless steel valves with a nitrate coating for ultimate durability to out-perform and outlast any aftermarket or OE valves available.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Because of the larger sized valves in this head they will not clear a 5.9 bore. You must have a 6.4 or 6.7 bore to clear.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Strength Alloy Valve Guides:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNew High Strength Alloy, Heat Treated iron based valve guides are installed. These guides are heat treated to Rockwell 22 Scale, which produces the ultimate in wear resistance. This is far superior to original guide material, including Bronze. The guide incorporates a spiral grove inside the guide to hold oil and aid the lubrication of the valve during engine operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance High Temp Valve Seats:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePremium valve seat inserts made from a true Nickel Based Non-Magnetic material that was developed for extreme operating conditions. These performance valve seats immensely reduce the possibility or dropping a valve seat.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDrilled and Tapped Coolant Freeze Plugs In Head:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe factory head has press in freeze plugs that are prone to leaking and blowing out under the valve cover. This process eliminates the failure from ever happening to you with our cylinder heads. We use high quality steel plugs where others use aluminum that are prone to leak.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFire Ringed Head:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe fire ringed head procedure was designed to use with our custom fire ring head gasket which utilizes a radius cut steel fire ring to virtually eliminate head gasket failures while still allowing you to daily drive your vehicle with confidence in its longevity capabilities.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eValve Springs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe use the highest quality brand new performance 120lb valves springs custom made right here in the USA. We designed these springs to offer more lift than the competition. Each valve spring is tested multiple times in house before assembly to ensure it maintains it proper spring rate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Build Process:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHeads are first jet washed in a high pressure spray cabinet to remove oil and dirt, then glass beaded to remove carbon. Next they are checked by magnafluxing, (cast iron only) or pressure testing. They are visually inspected for defects that would make them unusable. Valve guides and seats are removed as needed for porting.\u003c\/p\u003e\n\u003cp\u003ePort development is accomplished using a superflow 600 flow bench with a computer recording all flow measurements.\u003cbr\u003eMany things are considered when designing a cylinder head Port; air flow is only one of the things to think about. Another major concern is port wall thickness.\u003c\/p\u003e\n\u003cp\u003eAnyone can get a head to produce high flow numbers, but if doing so leaves the port wall to thin the casting will crack. High performance Diesel heads are more prone to crack because of the thermal shock experienced by excessive intermittent or long term exhaust temperatures.\u003c\/p\u003e\n\u003cp\u003eThe porting is then preformed using a new 5 Axis CNC Cylinder Head Porting Machine with CAD\/CAM software specifically designed for cylinder head porting. CNC porting brings unparalleled accuracy to head porting with each port flowing the same. This helps balance the power that each cylinder produces, making tuning easier.\u003c\/p\u003e\n\u003cp\u003eNew High Strength Alloy, Heat Treated iron based valve guides are installed. These guides are heat treated to Rockwell 22 Scale, which produces the ultimate in wear resistance. This is far superior to original guide material, including Bronze. The guide incorporates a spiral grove inside the guide to hold oil and aid the lubrication of the valve during engine operation.\u003c\/p\u003e\n\u003cp\u003eGuides are then honed (not reamed) to exact size using a diamond honing mandrel. Diamond abrasives allow for consistency of size, surface finish, and bore geometry with no variation from guide to guide. The guide size is then verified using a valve guide bore gauge.\u003c\/p\u003e\n\u003cp\u003eAs needed the head receives new Premium valve seat inserts made from a true Nickel Based Non-Magnetic material that was developed for extreme operating conditions.\u003c\/p\u003e\n\u003cp\u003eNext the head is treated to a multi angle valve job to help maximize the flow of air in and out of the head. This is accomplished using a Serdi 100 guide and seat machine. Serdi uses a solid carbide straight shank pilot. When inserted into the valve guide, it simulates the real valve stem during the centering process. This guarantees the valve seat is finished for a perfect valve to seat match.\u003c\/p\u003e\n\u003cp\u003eUsing CBN or Diamond tooling the head is given a new surface. With our berco milling machine we can control the surface finish to accommodate different head gasket types. For example MLS head gaskets require a very smooth surface finish.\u003c\/p\u003e\n\u003cp\u003eFinally the head is jet washed dried and assembled with new valve seals and new performance valve springs.\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":45281021821099,"sku":"GHJV-PDM-59RHC","price":6006.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198686364.jpg?v=1752527201"},{"product_id":"i-31772-industrial-injection-dodge-race-performance-head-for-03-07-509l-cummins-stage-1-pdm-59crrh","title":"Industrial Injection Dodge Race Performance Head for 03-07 509L Cummins Stage 1 - PDM-59CRRH","description":"\u003cp\u003eThe Industrial Injection 5.9L Cummins Race Heads are designed for the racer \/ sled puller. Fully CNC ported heads complete and ready to bolt on.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCNC Ported Cylinder Head:\u003c\/strong\u003e (Milled off intake runner to accept ZZ Fab intake) sold separately\u003c\/p\u003e\n\u003cp\u003eThe porting process preformed uses a new 5 Axis CNC Cylinder Head Porting Machine with CAD\/CAM software specifically designed for cylinder head porting. CNC porting brings unparalleled accuracy to head porting with each port flowing the same.\u003c\/p\u003e\n\u003cp\u003eThis helps balance the power that each cylinder produces, making tuning easier. After the CNC process we then hand blend each port to perfection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNew Performance Stainless Steel Valves:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe use the highest quality upgraded stainless steel valves with a nitrate coating for ultimate durability to out-perform and outlast any aftermarket or OE valves available.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Strength Alloy Valve Guides:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNew High Strength Alloy, Heat Treated iron based valve guides are installed. These guides are heat treated to Rockwell 22 Scale, which produces the ultimate in wear resistance. This is far superior to original guide material, including Bronze.\u003c\/p\u003e\n\u003cp\u003eThe guide incorporates a spiral grove inside the guide to hold oil and aid the lubrication of the valve during engine operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance High Temp Valve Seats:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePremium valve seat inserts made from a true Nickel Based Non-Magnetic material that was developed for extreme operating conditions. These performance valve seats immensely reduce the possibility or dropping a valve seat.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDrilled and Tapped Coolant Freeze Plugs In Head:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe factory head has press in freeze plugs that are prone to leaking and blowing out under the valve cover. This process eliminates the failure from ever happening to you with our cylinder heads. We use high quality steel plugs where others use aluminum that are prone to leak.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFire Ringed Head:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe fire ringed head procedure was designed to use with our custom fire ring head gasket which utilizes a radius cut steel fire ring to virtually eliminate head gasket failures while still allowing you to daily drive your vehicle with confidence in its longevity capabilities.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eValve Springs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe use the highest quality brand new performance 120lb valves springs custom made right here in the USA. We designed these springs to offer more lift than the competition. Each valve spring is tested multiple times in house before assembly to ensure it maintains it proper spring rate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Build Process:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHeads are first jet washed in a high pressure spray cabinet to remove oil and dirt, then glass beaded to remove carbon. Next they are checked by magnafluxing, (cast iron only) or pressure testing. They are visually inspected for defects that would make them unusable. Valve guides and seats are removed as needed for porting.\u003c\/p\u003e\n\u003cp\u003ePort development is accomplished using a superflow 600 flow bench with a computer recording all flow measurements.\u003cbr\u003eMany things are considered when designing a cylinder head Port; air flow is only one of the things to think about. Another major concern is port wall thickness.\u003c\/p\u003e\n\u003cp\u003eAnyone can get a head to produce high flow numbers, but if doing so leaves the port wall to thin the casting will crack. High performance Diesel heads are more prone to crack because of the thermal shock experienced by excessive intermittent or long term exhaust temperatures.\u003c\/p\u003e\n\u003cp\u003eThe porting is then preformed using a new 5 Axis CNC Cylinder Head Porting Machine with CAD\/CAM software specifically designed for cylinder head porting. CNC porting brings unparalleled accuracy to head porting with each port flowing the same. This helps balance the power that each cylinder produces, making tuning easier.\u003c\/p\u003e\n\u003cp\u003eNew High Strength Alloy, Heat Treated iron based valve guides are installed. These guides are heat treated to Rockwell 22 Scale, which produces the ultimate in wear resistance. This is far superior to original guide material, including Bronze. The guide incorporates a spiral grove inside the guide to hold oil and aid the lubrication of the valve during engine operation.\u003c\/p\u003e\n\u003cp\u003eGuides are then honed (not reamed) to exact size using a diamond honing mandrel. Diamond abrasives allow for consistency of size, surface finish, and bore geometry with no variation from guide to guide. The guide size is then verified using a valve guide bore gauge.\u003c\/p\u003e\n\u003cp\u003eAs needed the head receives new Premium valve seat inserts made from a true Nickel Based Non-Magnetic material that was developed for extreme operating conditions.\u003c\/p\u003e\n\u003cp\u003eNext the head is treated to a multi angle valve job to help maximize the flow of air in and out of the head. This is accomplished using a Serdi 100 guide and seat machine. Serdi uses a solid carbide straight shank pilot.\u003c\/p\u003e\n\u003cp\u003eWhen inserted into the valve guide, it simulates the real valve stem during the centering process. This guarantees the valve seat is finished for a perfect valve to seat match.\u003c\/p\u003e\n\u003cp\u003eUsing CBN or Diamond tooling the head is given a new surface. With our berco milling machine we can control the surface finish to accommodate different head gasket types. For example MLS head gaskets require a very smooth surface finish.\u003c\/p\u003e\n\u003cp\u003eFinally the head is jet washed dried and assembled with new valve seals and new performance valve springs.\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":45281021886635,"sku":"GHJV-PDM-59CRRH","price":5480.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198686366.jpg?v=1752527201"},{"product_id":"i-31773-industrial-injection-dodge-stock-head-for-03-07-5-9l-cummins-pdm-59crstkh","title":"Industrial Injection Dodge Stock Head For 03-07 5.9L Cummins - PDM-59CRSTKH","description":"\u003cp\u003e2003-2007 Cummins 5.9L Stock Head\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003c\/strong\u003eUpgraded Stainless Steel Valves\u003c\/li\u003e\n\u003cli\u003eDiamond Honed Guides\u003c\/li\u003e\n\u003cli\u003eNew Stock Valve Springs\u003c\/li\u003e\n\u003cli\u003eDecked Surface\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":45281022181547,"sku":"GHJV-PDM-59CRSTKH","price":1899.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198686368.jpg?v=1752527200"},{"product_id":"i-31778-industrial-injection-dodge-race-head-for-2007-5-2018-6-7l-cummins-stage-1-pdm-67rh","title":"Industrial Injection Dodge Race Head For 2007.5-2018 6.7L Cummins Stage 1 - PDM-67RH","description":"\u003cp\u003eThe Industrial Injection 6.7L Cummins Race Heads are designed for the racer \/ sled puller in mind. Fully CNC ported heads complete and ready to bolt on.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCNC Ported Cylinder Head:\u003c\/strong\u003e (Milled off intake runner to accept ZZ Fab intake) sold separately\u003c\/p\u003e\n\u003cp\u003eThe porting process preformed uses a new 5 Axis CNC Cylinder Head Porting Machine with CAD\/CAM software specifically designed for cylinder head porting. CNC porting brings unparalleled accuracy to head porting with each port flowing the same.\u003c\/p\u003e\n\u003cp\u003eThis helps balance the power that each cylinder produces, making tuning easier. After the CNC process we then hand blend each port to perfection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNew Performance Stainless Steel Valves:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe use the highest quality upgraded stainless steel valves with a nitrate coating for ultimate durability to out-perform and outlast any aftermarket or OE valves available.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Strength Alloy Valve Guides:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNew High Strength Alloy, Heat Treated iron based valve guides are installed. These guides are heat treated to Rockwell 22 Scale, which produces the ultimate in wear resistance. This is far superior to original guide material, including Bronze.\u003c\/p\u003e\n\u003cp\u003eThe guide incorporates a spiral grove inside the guide to hold oil and aid the lubrication of the valve during engine operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance High Temp Valve Seats:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePremium valve seat inserts made from a true Nickel Based Non-Magnetic material that was developed for extreme operating conditions. These performance valve seats immensely reduce the possibility or dropping a valve seat.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDrilled and Tapped Coolant Freeze Plugs In Head:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe factory head has press in freeze plugs that are prone to leaking and blowing out under the valve cover. This process eliminates the failure from ever happening to you with our cylinder heads. We use high quality steel plugs where others use aluminum that are prone to leak.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFire Ringed Head:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe fire ringed head procedure was designed to use with our custom fire ring head gasket which utilizes a radius cut steel fire ring to virtually eliminate head gasket failures while still allowing you to daily drive your vehicle with confidence in its longevity capabilities.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eValve Springs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe use the highest quality brand new performance 120lb valves springs custom made right here in the USA. We designed these springs to offer more lift than the competition. Each valve spring is tested multiple times in house before assembly to ensure it maintains it proper spring rate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Build Process:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHeads are first jet washed in a high pressure spray cabinet to remove oil and dirt, then glass beaded to remove carbon. Next they are checked by magnafluxing, (cast iron only) or pressure testing. They are visually inspected for defects that would make them unusable. Valve guides and seats are removed as needed for porting.\u003c\/p\u003e\n\u003cp\u003ePort development is accomplished using a superflow 600 flow bench with a computer recording all flow measurements.\u003cbr\u003eMany things are considered when designing a cylinder head Port; air flow is only one of the things to think about. Another major concern is port wall thickness.\u003c\/p\u003e\n\u003cp\u003eAnyone can get a head to produce high flow numbers, but if doing so leaves the port wall to thin the casting will crack. High performance Diesel heads are more prone to crack because of the thermal shock experienced by excessive intermittent or long term exhaust temperatures.\u003c\/p\u003e\n\u003cp\u003eThe porting is then preformed using a new 5 Axis CNC Cylinder Head Porting Machine with CAD\/CAM software specifically designed for cylinder head porting. CNC porting brings unparalleled accuracy to head porting with each port flowing the same. This helps balance the power that each cylinder produces, making tuning easier.\u003c\/p\u003e\n\u003cp\u003eNew High Strength Alloy, Heat Treated iron based valve guides are installed. These guides are heat treated to Rockwell 22 Scale, which produces the ultimate in wear resistance. This is far superior to original guide material, including Bronze. The guide incorporates a spiral grove inside the guide to hold oil and aid the lubrication of the valve during engine operation.\u003c\/p\u003e\n\u003cp\u003eGuides are then honed (not reamed) to exact size using a diamond honing mandrel. Diamond abrasives allow for consistency of size, surface finish, and bore geometry with no variation from guide to guide. The guide size is then verified using a valve guide bore gauge.\u003c\/p\u003e\n\u003cp\u003eAs needed the head receives new Premium valve seat inserts made from a true Nickel Based Non-Magnetic material that was developed for extreme operating conditions.\u003c\/p\u003e\n\u003cp\u003eNext the head is treated to a multi angle valve job to help maximize the flow of air in and out of the head. This is accomplished using a Serdi 100 guide and seat machine. Serdi uses a solid carbide straight shank pilot. When inserted into the valve guide, it simulates the real valve stem during the centering process. This guarantees the valve seat is finished for a perfect valve to seat match.\u003c\/p\u003e\n\u003cp\u003eUsing CBN or Diamond tooling the head is given a new surface. With our berco milling machine we can control the surface finish to accommodate different head gasket types. 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CNC porting brings unparalleled accuracy to head porting with each port flowing the same.\u003c\/p\u003e\n\u003cp\u003eThis helps balance������the power that each cylinder produces, making tuning easier. After the CNC process we then hand blend each port to perfection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNew Performance Stainless Steel Valves:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe use the highest quality upgraded stainless steel valves with a nitrate coating for ultimate durability to out-perform and outlast any aftermarket or OE valves available.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Strength Alloy Valve Guides:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNew High Strength Alloy, Heat Treated iron based valve guides are installed. These guides are heat treated to Rockwell 22 Scale, which produces the ultimate in wear resistance. 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This process eliminates the failure from ever happening to you with our cylinder heads.\u003c\/p\u003e\n\u003cp\u003eWe use high quality steel plugs where others use aluminum that are prone to leak.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFire Ringed Head:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe fire ringed head procedure was designed to use with our custom fire ring head gasket which utilizes a radius cut steel fire ring to virtually������eliminate head gasket failures while still allowing you to daily drive your������vehicle with confidence in its longevity capabilities.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eValve Springs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe use the highest quality brand new performance 95lb valves������springs custom made right here in the USA. We designed these springs to offer������more lift than the competition. Each valve spring is tested multiple times in������house before assembly to ensure it maintains it proper spring rate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Build Process:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHeads are first jet washed in a high pressure spray cabinet to������remove oil and dirt, then glass beaded to remove carbon. Next they are checked������by magnafluxing, (cast iron only) or pressure testing.\u003c\/p\u003e\n\u003cp\u003eThey are visually������inspected for defects that would make them unusable. Valve guides and seats are������removed as needed for porting.\u003c\/p\u003e\n\u003cp\u003ePort development is accomplished using a superflow 600 flow bench with a������computer recording all flow measurements.������Many things are considered when designing a cylinder head Port; air flow is������only one of the things to think about. Another major concern is port wall������thickness.\u003c\/p\u003e\n\u003cp\u003eAnyone can get a head to produce high flow numbers, but if doing so leaves the port wall to thin the casting will crack. High performance Diesel heads are\u003cbr\u003emore prone to crack because of the thermal shock experienced by excessive intermittent or long term exhaust temperatures.\u003c\/p\u003e\n\u003cp\u003eThe porting is then preformed using a new 5 Axis CNC Cylinder Head Porting Machine with CAD\/CAM software specifically designed for cylinder head porting. CNC porting brings unparalleled accuracy to head porting with������each port flowing the same. This helps balance the power that each cylinder produces, making tuning easier.\u003c\/p\u003e\n\u003cp\u003eNew High Strength Alloy, Heat Treated iron based valve guides are installed. These guides are heat treated to Rockwell 22 Scale, which produces the\u003cbr\u003eultimate in wear resistance. This is far superior to original guide material, including Bronze.\u003c\/p\u003e\n\u003cp\u003eThe guide incorporates a spiral grove inside the guide to hold oil and aid the lubrication of the valve during engine operation.\u003c\/p\u003e\n\u003cp\u003eGuides are then honed (not reamed) to exact size using a diamond honing mandrel. Diamond abrasives allow for consistency of size, surface finish, and bore geometry with no variation from guide to guide. The guide size is then������verified using a valve guide bore gauge.\u003c\/p\u003e\n\u003cp\u003eAs needed the head receives new Premium valve seat inserts made from a true Nickel Based Non-Magnetic material that was developed for extreme operating\u003cbr\u003econditions.\u003c\/p\u003e\n\u003cp\u003eNext the head is treated to a multi angle valve job to help maximize the flow������of air in and out of the head. This is accomplished using a Serdi 100 guide and\u003cbr\u003eseat machine. Serdi uses a solid carbide straight shank pilot.\u003c\/p\u003e\n\u003cp\u003eWhen inserted������into the valve guide, it simulates the real valve stem during the centering������process. This guarantees the valve seat is finished for a perfect valve to seat������match.\u003c\/p\u003e\n\u003cp\u003eUsing CBN or Diamond tooling the head is given a new surface. With our Berco milling machine we can control the surface finish to accommodate different head\u003cbr\u003egasket types. For example MLS head gaskets require a very smooth surface finish.\u003c\/p\u003e\n\u003cp\u003eFinally the head is jet washed dried and assembled with new valve seals and new performance valve springs.\u003c\/p\u003e","brand":"Industrial Injection","offers":[{"title":"Default Title","offer_id":45281025556651,"sku":"GHJV-PDM-24VSTH","price":3960.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198686392.jpg?v=1752527193"},{"product_id":"i-32036-fleece-performance-2011-2016-factory-lml-duramax-cylinder-head-passenger-side-fpe-61-10004-p","title":"Fleece Performance 2011-2016 Factory LML Duramax Cylinder Head (Passenger Side) - FPE-61-10004-P","description":"\u003cp\u003eIntroducing our Freedom Series cylinder heads for the 6.6L Duramax! 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Now available with no core charge!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNew valve guides, new springs, and new valve seals\u003c\/li\u003e\n\u003cli\u003ePressure and leak tested\u003c\/li\u003e\n\u003cli\u003ePrecision ground stock valves with a 45 degree angle\u003c\/li\u003e\n\u003cli\u003eMulti-angle valve job\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 Year Limited Parts Warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":45281079656619,"sku":"FQWW-FPE-61-10003-D","price":1099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198686895.png?v=1752527078"},{"product_id":"i-32040-fleece-performance-2004-5-2005-factory-lly-duramax-cylinder-head-passenger-side-fpe-61-10002-p","title":"Fleece Performance 2004.5-2005 Factory LLY Duramax Cylinder Head (Passenger Side) - FPE-61-10002-P","description":"\u003cp\u003eIntroducing our Freedom Series cylinder heads for the 6.6L Duramax! 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Plus, the 11 screw in freeze plugs ensure you'll never worry about a coolant leak under the valve cover again.\u003c\/p\u003e\n\u003cp\u003ePerfect for a daily driver or heavy duty towing, our Heavy Duty Street HD heads are rated for use up to 700hp.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFreedom Series Heavy Duty Street heads Include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e11 Screw in Freeze Plugs (eliminates coolant leaks)\u003c\/li\u003e\n\u003cli\u003eHardened, oversized press-in valve seats\u003c\/li\u003e\n\u003cli\u003eNew heavy duty Fleece 105 number valve springs\u003c\/li\u003e\n\u003cli\u003eTool steel retainers\u003c\/li\u003e\n\u003cli\u003eNew valve guide liners\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHead gasket not included. We recommend the use of Cummins 3977063 head gasket.\u003c\/li\u003e\n\u003cli\u003eFollow all Installation Instructions; Valve lash required. Back off adjusters on rocker arms or damage will occur to the cylinder head. 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Perfect for the daily driver or towing application.\u003cbr\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFreedom Series Duramax Cylinder Head with Cupless Injector Bore for 2001-2004 LB7 (Passenger Side)\u003c\/li\u003e\n\u003cli\u003eCupless injector bore - no injector cups to leak again ever!\u003c\/li\u003e\n\u003cli\u003eNew aluminum casting\u003c\/li\u003e\n\u003cli\u003eNew valves, valve guides, new springs, and new valve seals\u003c\/li\u003e\n\u003cli\u003eCNC cut, multi-angle valve job\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Notes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWe recommend using GM 12637788 head gasket (Grade C, Right) and GM 12637785 head gasket (Grade C, Left)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 Year Limited Parts Warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":45281122746539,"sku":"FQWW-FPE-61-10001-P-CL","price":1099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/0104\/1323\/files\/F198687274.jpg?v=1752526993"},{"product_id":"i-32169-fleece-performance-freedom-series-duramax-cylinder-head-with-cupless-injector-bore-for-2001-2004-lb7-driver-side-fpe-61-10001-d-cl","title":"Fleece Performance Freedom Series Duramax Cylinder Head with Cupless Injector Bore for 2001-2004 LB7 (Driver Side) - FPE-61-10001-D-CL","description":"\u003cp\u003eFreedom Series cylinder heads for the LB7 6.6L Duramax now with a cupless injector bore - save time and money with no more injector cups to install, leak, or worry about.\u003c\/p\u003e\n\u003cp\u003eEach cylinder head is assembled from a new casting in our state-of-the-art Freedom Racing Engine shop and is guaranteed to meet or exceed factory specifications.\u003c\/p\u003e\n\u003cp\u003eAll heads are meticulously inspected, pressure and leak tested, and are equipped with new valve guides, springs, and valve seals. 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