{"title":"Engines \u0026 Cylinder Heads","description":"","products":[{"product_id":"2003-2018-cummins-manton-24v-valve-spring-kit-d-105-kit-24v","title":"2003-2018 Cummins 5.9L\/6.7L 24V Manton Conical Valve Spring Kit (D-105-KIT-24v)","description":"\u003cp\u003e\u003cstrong\u003e2003-2018 Cummins 5.9L\/6.7L 24V Manton Conical Valve Spring Kit (D-105-KIT-24v)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTransform your Cummins engine with Manton’s complete valve spring and retainer kit, designed to enhance performance, durability, and longevity. This drop-in package offers 105 lbs. of seat pressure and 165 lbs. of open pressure at 0.420 lift, crucial for vehicles with upgraded performance cams.\u003c\/p\u003e\n\u003cp\u003eEngineered with Manton’s exclusive “Pressure Tower” conical spring design and “Ultra Light” steel retainers, this kit ensures the highest strength-to-weight ratio and unmatched reliability across any application, whether your truck serves daily commutes or competitive racing.\u003c\/p\u003e\n\u003cp\u003eThe springs are optimized for up to 75 PSI boost, backed by 105 lbs. of seat pressure. Manton provides heat-treated spring shims to adjust seat pressure as needed for different boost levels. For older trucks from 1998.5 to 2002, where valve spring pockets may be too tight, Manton offers a valve spring pocket cutter to enlarge the pocket for a perfect fit with this advanced spring kit.\u003c\/p\u003e","brand":"Manton Pushrods","offers":[{"title":"Default Title","offer_id":43161220415739,"sku":"D-105-KIT-24v","price":785.79,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/3298\/1184\/files\/Product_Image_99_copy.png?v=1738601177"},{"product_id":"1989-1998-cummins-manton-12v-valve-spring-kit-d-105-kit-12v","title":"1989-1998 Cummins 5.9L 12V Manton Conical Valve Spring Kit (D-105-KIT-12V)","description":"\u003cp\u003e\u003cstrong\u003e1989-1998 Cummins 5.9L 12V Manton Conical Valve Spring Kit (D-105-KIT-12V)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUpgrade your 12V 5.9L engine with Manton Heavy Duty Conical Springs, Billet Retainers \u0026amp; Lock Kit.\u003c\/p\u003e\n\u003cp\u003eIdeal for engines running over 40psi and 3,700rpm; stronger pushrods recommended for this setup.\u003c\/p\u003e\n\u003cp\u003eProtects valves from being pushed open under high boost conditions, enhancing efficiency and longevity.\u003c\/p\u003e\n\u003cp\u003eEngineered for high boost capability and maximum valve train stability.\u003c\/p\u003e\n\u003cp\u003ePerfect for stock rebuilds or high-performance race applications.\u003c\/p\u003e\n\u003cp\u003eLightweight 7-degree billet steel retainers designed to match conical spring shape, stronger than OEM.\u003c\/p\u003e\n\u003cp\u003eIncludes 7-degree valve locks designed for these retainers.\u003c\/p\u003e\n\u003cp\u003eHeat-treated spring shims available in various thicknesses for adjusting seat pressure to accommodate max boost.\u003c\/p\u003e","brand":"Manton Pushrods","offers":[{"title":"Default Title","offer_id":43119025881339,"sku":"D-105-KIT-12V","price":669.24,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/3298\/1184\/files\/Product_Image_-_2025-01-31T103244.623.png?v=1738344776"},{"product_id":"2011-2022-powerstroke-manton-high-rev-high-boost-valve-springs-d-105-6-7sf","title":"2011-2024 Powerstroke 6.7L Manton Conical Valve Spring Kit (D-105-6.7SF)","description":"\u003cp\u003e\u003cstrong\u003e2011-2024 Powerstroke 6.7L Manton Conical Valve Spring Kit (D-105-6.7SF)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNew Conical Valve Spring for the Ford 6.7L Powerstroke .\u003c\/p\u003e\n\u003cp\u003eDesigned to allow for increased Lift and Boost while providing better total valve control.\u003c\/p\u003e\n\u003cp\u003eSold as a set of 32.\u003c\/p\u003e","brand":"Manton Pushrods","offers":[{"title":"Default Title","offer_id":43125158478075,"sku":"D-105-6.7SF","price":705.52,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/3298\/1184\/files\/Product_Image_-_2025-02-03T100426.529.png?v=1738602381"},{"product_id":"2001-2016-duramax-manton-pressure-tower-valve-spring-kit-d-105-kit-dmax","title":"2001-2016 Duramax Manton Conical Valve Spring Kit (D-105-KIT-Dmax)","description":"\u003cp\u003e\u003cstrong\u003e2001-2016 Duramax Manton Conical Valve Spring Kit (D-105-KIT-Dmax)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eManton proudly presents a high-performance valve spring assembly for Duramax platforms. This kit ensures superior valvetrain stability with springs, billet steel retainers, chromoly spring cups, and valve locks. It suits applications from stock rebuilds to race setups. We engineered these springs to handle high boost and increased RPM capability. We optimized the spring shape for stability at high RPMs and reduced stress on the wire, enhancing longevity across all RPM ranges. Valve spring seat pressure is set at 130 lbs to control valves under high boost conditions. Our lightweight billet steel retainers complement the conical spring shape, improving durability and reducing weight compared to OEM parts. Valve locks are included for use with the new retainers.\u003c\/p\u003e\n\u003cp\u003eThis drop-in upgrade supports up to .500 valve lift at 1.610 installed height, with flexibility for adjusting seat pressure using heat-treated spring shims. It’s perfect for maximizing performance while maintaining ease of installation.\u003c\/p\u003e","brand":"Manton Pushrods","offers":[{"title":"Default Title","offer_id":43126026371323,"sku":"D-105-KIT-Dmax","price":1091.37,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/3298\/1184\/files\/Product_Image_-_2025-01-31T135848.552.png?v=1738357150"},{"product_id":"2003-2010-powerstroke-manton-high-rev-high-boost-valve-springs-d-105-6-0-6-4","title":"2003-2010 Powerstroke 6.0L\/6.4L Manton Straight Valve Springs Valve Springs (D-105-6.0\/6.4)","description":"\u003cp\u003e\u003cstrong\u003e2003-2010 Powerstroke 6.0L\/6.4L Manton Straight Valve Springs Valve Springs (D-105-6.0\/6.4)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned by Manton for reliability across all performance levels, from Mild to Wild.\u003c\/p\u003e\n\u003cp\u003eSold in a pack of 32 springs.\u003c\/p\u003e","brand":"Manton Pushrods","offers":[{"title":"Default Title","offer_id":43126184771835,"sku":"D-105-6.0\/6.4","price":494.21,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/3298\/1184\/files\/Product_Image_97.png?v=1738598320"},{"product_id":"1998-5-2019-cummins-103lb-valve-spring-07-s-003","title":"1998.5-2018 Cummins 5.9L\/6.7L Hamilton Cams Valve Spring Set (07-s-003)","description":"\u003cp\u003e\u003cstrong\u003e1998.5-2018 Cummins 5.9L\/6.7L Hamilton Cams Valve Spring Set (07-s-003)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIs your 24valve dodge Cummins running more than 35 psi of boost or exhaust drive pressure or over 3800rpm? Then you are experiencing valve float and reversion. Stock springs rated at just 80 lbs 0f seat pressure (at 1.380″) can’t consistently control the valvetrain under high boost or high rpm. As boost pressure increases, the valves risk being blown open, causing reversion—the reintroduction of exhaust gases into the cylinder on the intake stroke. Excessive exhaust gasses greatly slow combustion and reduce power. As rpm goes above 3800 rpm, the OEM springs do not have enough pressure to stop valve float, which can cause cast tappets to fracture.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIncreased Seat Pressure: Eliminate the risk of valves blowing open under high boost\/rpm.\u003c\/li\u003e\n\u003cli\u003eOptimized Power Delivery: Prevent reversion for cleaner, more efficient combustion.\u003c\/li\u003e\n\u003cli\u003eProtect Your Camshaft: higher seat pressure, but moderate nose pressure, gives you the pressure you need to control your valvetrain to 4500rpm without the worry of cam or tappet failure.\u003c\/li\u003e\n\u003cli\u003eReliable Performance to 4,500 RPM: Beyond 4,500 RPM, consider upgrading to our #110 springs for safer operation.\u003c\/li\u003e\n\u003cli\u003eWarranty Considerations: We only warranty our cams if you run Hamilton springs and tappets—protect your investment from avoidable wear and damage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Insights\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNote: Tool steel retainers are not included but can be purchased separately.\u003c\/p\u003e\n\u003cp\u003eStep up to Hamilton 24V Valve Springs and keep your valvetrain under control in high-boost, high-RPM conditions—so you can maximize power, protect your cam, and drive with confidence.\u003c\/p\u003e","brand":"Hamilton Cams","offers":[{"title":"Default Title","offer_id":43362760720635,"sku":"07-S-003","price":561.89,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/3298\/1184\/products\/1998-5-2018-cummins-5-9l6-7l-hamilton-cams-valve-spring-set-07-s-003-hamilton-cams.png?v=1725581992"},{"product_id":"2003-2007-ford-pml-engines-cylinder-head-6-0l-powstrk-cyl-hd","title":"2003-2007 Powerstroke 6.0L PML Reman Cylinder Head Set of 2 (CH60P-03-07)","description":"\u003cp\u003e\u003cstrong\u003e2003-2007 Powerstroke 6.0L PML Reman Cylinder Head Set of 2 (CH60P-03-07)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEach PowerHouse cylinder head undergoes a thorough remanufacturing process, including precision machining, pressure testing, and meticulous inspection. Rebuilt using high-quality components, our cylinder heads are designed to withstand extreme conditions and deliver superior durability. Whether you're looking to restore your engine's performance or upgrade to a more powerful setup, our remanufactured cylinder heads are engineered to exceed your expectations, offering unmatched quality and value.\u003c\/p\u003e","brand":"PML Engines","offers":[{"title":"18MM","offer_id":46980102160635,"sku":"CH60P-03-07-18MM","price":2999.0,"currency_code":"CAD","in_stock":true},{"title":"20MM","offer_id":46980102193403,"sku":"CH60P-03-07-20MM","price":2999.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/3298\/1184\/files\/Product_Image_6_5fdaa4e2-422b-423b-a2c5-2a619a0b220e.png?v=1753712376"},{"product_id":"2008-2010-ford-pml-engines-cylinder-head-6-4l-powstrk-cyl-hd","title":"2008-2010 Powerstroke 6.4L PML Reman Cylinder Head Set of 2 (CH64P-08-10)","description":"\u003cp\u003e\u003cstrong\u003e2008-2010 Powerstroke 6.4L PML Reman Cylinder Head Set of 2 (CH64P-08-10)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEach PowerHouse cylinder head undergoes a thorough remanufacturing process, including precision machining, pressure testing, and meticulous inspection. Rebuilt using high-quality components, our cylinder heads are designed to withstand extreme conditions and deliver superior durability. Whether you're looking to restore your engine's performance or upgrade to a more powerful setup, our remanufactured cylinder heads are engineered to exceed your expectations, offering unmatched quality and value.\u003c\/p\u003e","brand":"PML Engines","offers":[{"title":"Default Title","offer_id":43679869305083,"sku":"CH64P-08-10","price":2999.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/3298\/1184\/files\/Product_Image_5_efa4b7e4-2da1-46a4-bce3-87cd66862f47.png?v=1753712308"},{"product_id":"2003-2007-dodge-pml-engines-24v-cylinder-head-5-9l-24vcummins-cyl-hd","title":"2003-2007 Cummins 5.9L 24V PML Reman Cylinder Head (CH59C-03-07)","description":"\u003cp\u003e\u003cstrong\u003e2003-2007 Cummins 5.9L 24V PML Reman Cylinder Head (CH59C-03-07)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEach PowerHouse cylinder head undergoes a thorough remanufacturing process, including precision machining, pressure testing, and meticulous inspection. Rebuilt using high-quality components, our cylinder heads are designed to withstand extreme conditions and deliver superior durability. Whether you're looking to restore your engine's performance or upgrade to a more powerful setup, our remanufactured cylinder heads are engineered to exceed your expectations, offering unmatched quality and value.\u003c\/p\u003e","brand":"PML Engines","offers":[{"title":"Default Title","offer_id":43682502803707,"sku":"CH59C-03-07","price":2999.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/3298\/1184\/files\/Product_Image_1_8433ccd6-7d9a-48e6-874a-b72214d25849.png?v=1753712479"},{"product_id":"2007-5-2018-dodge-pml-engines-cylinder-head-6-7l-cummins-cyl-hd","title":"2007.5-2018 Cummins 6.7L 24V PML Engines Cylinder Head (CH67C-075-18)","description":"\u003cp\u003e\u003cstrong\u003e2007.5-2018 Cummins 6.7L 24V PML Engines Cylinder Head (CH67C-075-18)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEach PowerHouse cylinder head undergoes a thorough remanufacturing process, including precision machining, pressure testing, and meticulous inspection. Rebuilt using high-quality components, our cylinder heads are designed to withstand extreme conditions and deliver superior durability. Whether you're looking to restore your engine's performance or upgrade to a more powerful setup, our remanufactured cylinder heads are engineered to exceed your expectations, offering unmatched quality and value.\u003c\/p\u003e","brand":"PML Engines","offers":[{"title":"Default Title","offer_id":43682604548347,"sku":"CH67C-075-18","price":2999.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/3298\/1184\/files\/Product_Image_3_83dd77cf-d610-4653-bea8-c661a8562350.png?v=1753712435"},{"product_id":"2001-2016-gm-pml-engines-cylinder-head-6-6l-duramax-cyl-hd","title":"2001-2004 Duramax LB7 PML Reman Cylinder Head Set of 2 (CH66D-LB7-01-04)","description":"\u003cp\u003e\u003cstrong\u003e2001-2004 Duramax LB7 PML Reman Cylinder Head Set of 2 (CH66D-LB7-01-04)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEach PowerHouse cylinder head undergoes a thorough remanufacturing process, including precision machining, pressure testing, and meticulous inspection. Rebuilt using high-quality components, our cylinder heads are designed to withstand extreme conditions and deliver superior durability. Whether you're looking to restore your engine's performance or upgrade to a more powerful setup, our remanufactured cylinder heads are engineered to exceed your expectations, offering unmatched quality and value.\u003c\/p\u003e","brand":"PML Engines","offers":[{"title":"Default Title","offer_id":44466745245947,"sku":"CH66D-LB7-01-04","price":2999.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/3298\/1184\/files\/Product_Image_-_2025-04-01T102621.801.png?v=1743526696"},{"product_id":"ford-springs-set-of-32","title":"2003-2018 Cummins 5.9\/6.7 Performance HD Valve Spring Set of 24 (360-1020)","description":"\u003cp\u003e\u003cstrong\u003e2003-2018 Cummins 5.9\/6.7 Performance HD Valve Spring Set of 24 (360-1020)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUpgrade your valve springs with these performance springs that \u003cspan\u003eare designed and manufactured using the Highest Quality Grade Wire, resulting in exceptional endurance of high loads produced by racing cams. Our Valve Springs are heat treated and stress relieved to increase Spring Performance, longevity and provide the stability needed for High Loads and RPM. T\u003c\/span\u003e\u003cspan\u003ereated with an additional Nitriding process in which offers additional benefits of Increased Surface Hardness, a 32% Increased Fatigue Life and a 45% Increase of Creep Resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eModern day diesel engines run tighter tolerances, higher RPM's, VGT Turbochargers creating back pressure as well as more boost which can tax the factory valve springs. Aftermarket tuning which may allow more power, more rpm, more pressure may also attribute to valve float causing issues with piston to valve contact. The last thing anyone needs is a failure from this scenario so protect your investment with a set of springs meant to take the abuse.\u003c\/p\u003e","brand":"PML Engines","offers":[{"title":"Default Title","offer_id":44392300577019,"sku":"PML-24V-Cummins-HDSprings","price":399.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/3298\/1184\/files\/Product_Image_-_2025-03-03T093511.735.png?v=1741019728"},{"product_id":"gm-springs-set-of-32","title":"2001-2016 Duramax Performance HD Valve Spring Set of 32 (360-1022)","description":"\u003cp\u003e\u003cstrong\u003e2001-2016 Duramax Performance HD Valve Spring Set of 32 (360-1022)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/strong\u003eUpgrade your valve springs with these performance springs that \u003cspan\u003eare designed and manufactured using the Highest Quality Grade Wire, resulting in exceptional endurance of high loads produced by racing cams. Our Valve Springs are heat treated and stress relieved to increase Spring Performance, longevity and provide the stability needed for High Loads and RPM. T\u003c\/span\u003e\u003cspan\u003ereated with an additional Nitriding process in which offers additional benefits of Increased Surface Hardness, a 32% Increased Fatigue Life and a 45% Increase of Creep Resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eModern day diesel engines run tighter tolerances, higher RPM's, VGT Turbochargers creating back pressure as well as more boost which can tax the factory valve springs. Aftermarket tuning which may allow more power, more rpm, more pressure may also attribute to valve float causing issues with piston to valve contact. The last thing anyone needs is a failure from this scenario so protect your investment with a set of springs meant to take the abuse.\u003c\/p\u003e","brand":"PML Engines","offers":[{"title":"Default Title","offer_id":44392300740859,"sku":"PML-6.6-Duramax-HDSprings","price":450.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/3298\/1184\/files\/Product_Image_-_2025-03-03T083134.358.png?v=1741015907"},{"product_id":"springs-ford","title":"2003-2010 Powerstroke 6.0\/6.4 Performance HD Valve Spring Set of 32 (360-1021)","description":"\u003cp\u003e\u003cstrong\u003e2003-2010 Powerstroke 6.0\/6.4 Performance HD Valve Spring Set of 32 (360-1021)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUpgrade your valve springs with these performance springs that \u003cspan\u003eare designed and manufactured using the Highest Quality Grade Wire, resulting in exceptional endurance of high loads produced by racing cams. Our Valve Springs are heat-treated and stress relieved to increase Spring Performance, longevity and provide the stability needed for High Loads and RPM. T\u003c\/span\u003e\u003cspan\u003ereated with an additional Nitriding process in which offers additional benefits of Increased Surface Hardness, a 32% Increased Fatigue Life and a 45% Increase of Creep Resistance. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eModern day diesel engines run tighter tolerances, higher RPM's, VGT Turbochargers creating back pressure as well as more boost which can tax the factory valve springs. Aftermarket tuning which may allow more power, more rpm, more pressure may also attribute to valve float causing issues with piston to valve contact. The last thing anyone needs is a failure from this scenario so protect your investment with a set of springs meant to take the abuse. \u003c\/p\u003e","brand":"PML Engines","offers":[{"title":"Default Title","offer_id":44392780398843,"sku":"PML-6.0\/6.4-Powerstroke-HDSprings","price":450.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/3298\/1184\/files\/Product_Image_-_2025-02-28T100319.010.png?v=1740762208"},{"product_id":"1989-1998-cummins-spring-compressor-tool-07-sc-001","title":"1989-1998 Cummins 5.9L Hamilton Cams Spring Compressor Tool (07-sc-001)","description":"\u003cdiv class=\"row column part-detail-section\"\u003e\n\u003cp\u003e\u003cstrong\u003e1989-1998 Cummins 5.9L Hamilton Cams Spring Compressor Tool (07-sc-001)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMake valve spring maintenance a breeze with our 12-Valve Spring Compressor Tool, specifically designed for 5.9L Cummins engines. 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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.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":44520818049275,"sku":"FPE-61-10009","price":3696.05,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/3298\/1184\/files\/1998-2002-cummins-5-9l-vp-remanufactured-cylinder-head-street-fpe-61-10009-fleece-performance-1.png?v=1725583220"},{"product_id":"2007-5-2018-dodge-cummins-6-7l-freedom-series-cummins-cylinder-head-street-fpe-61-10007","title":"2007.5-2018 Cummins 6.7L Freedom Series 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\n","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":44520818114811,"sku":"FPE-61-10007","price":3188.55,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/3298\/1184\/files\/2007-5-2018-cummins-6-7l-freedom-series-cylinder-head-street-fpe-61-10007-fleece-performance.jpg?v=1725583233"},{"product_id":"2007-5-2018-dodge-cummins-6-7l-freedom-series-cylinder-head-performance-fpe-61-10008","title":"2007.5-2018 Cummins 6.7L Freedom Series 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\n","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":44520818147579,"sku":"FPE-61-10008","price":5437.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/3298\/1184\/files\/2007-5-2018-cummins-6-7l-freedom-series-cylinder-head-performance-fpe-61-10008-fleece-performance.jpg?v=1725583235"},{"product_id":"2003-2007-dodge-cummins-5-9l-freedom-series-cylinder-head-street-fpe-61-10005","title":"2003-2007 Cummins 5.9L Freedom Series 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\n","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":44520818245883,"sku":"FPE-61-10005","price":3188.55,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/3298\/1184\/files\/2003-2007-cummins-5-9l-freedom-series-cylinder-head-street-fpe-61-10005-fleece-performance.jpg?v=1725583237"},{"product_id":"2003-2007-dodge-cummins-5-9l-freedom-series-cylinder-head-performance-fpe-61-10006","title":"2003-2007 Cummins 5.9L Freedom Series 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\n","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":44520818311419,"sku":"FPE-61-10006","price":5437.5,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/3298\/1184\/files\/2003-2007-cummins-5-9l-freedom-series-cylinder-head-performance-fpe-61-10006-fleece-performance.jpg?v=1725583239"},{"product_id":"2007-5-2018-dodge-cummins-6-7l-freedom-series-cylinder-head-street-hd-fpe-61-10007-hd","title":"2007.5-2018 Cummins 6.7L Freedom Series Cylinder Head (Street HD) (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\n","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":44520818376955,"sku":"FPE-61-10007-HD","price":3768.55,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/3298\/1184\/files\/2007-5-2018-cummins-6-7l-freedom-series-cylinder-head-street-hd-fpe-61-10007-hd-fleece-performance.jpg?v=1725583242"},{"product_id":"2003-2007-dodge-cummins-5-9l-freedom-series-cylinder-head-street-hd-fpe-61-10005-hd","title":"2003-2007 Cummins 5.9L Freedom Series Cylinder Head (Street HD) (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\n","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":44520818409723,"sku":"FPE-61-10005-HD","price":3768.55,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/3298\/1184\/files\/2003-2007-cummins-5-9l-freedom-series-cylinder-head-street-hd-fpe-61-10005-hd-fleece-performance.jpg?v=1725583244"},{"product_id":"1998-5-2002-dodge-cummins-5-9l-vp-freedom-series-cylinder-head-street-hd-fpe-61-10009-hd","title":"1998.5-2002 Cummins 5.9L VP Freedom Series Cylinder Head (Street HD) (FPE-61-10009-HD)","description":"\u003cp\u003eGive 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 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\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\n","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":44520818508027,"sku":"FPE-61-10009-HD","price":4276.05,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/3298\/1184\/files\/1998-5-2002-cummins-5-9l-vp-freedom-series-cylinder-head-street-hd-fpe-61-10009-hd-fleece-performance.jpg?v=1725583247"},{"product_id":"1998-5-2018-dodge-cummins-24v-spring-and-retainer-set-fpe-34797","title":"1998.5-2018 Cummins 5.9L\/6.7L Spring and Retainer Set (FPE-34797)","description":"\u003cp\u003eUpgrade your Cummins valve springs and retainers with our Fleece Performance spring and retainer kit. Our springs are manufactured from super clean Hi-Tensile Chrome Silicon steel with a proprietary multi-step heat treating process that minimizes load loss.\u003c\/p\u003e\n\u003cp\u003eThese springs have a seat pressure of 105 lbs with an open pressure of 195 lbs at maximum lift. The retainers are thru-hardened 4140 chome moly steel and have a black oxide finish.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCummins 24V Spring and Retainer Set\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":44520819359995,"sku":"FPE-34797","price":724.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/3298\/1184\/files\/1998-5-2018-cummins-5-9l6-7l-spring-and-retainer-set-fpe-34797-fleece-performance.jpg?v=1725583285"},{"product_id":"2011-2016-factory-lml-duramax-cylinder-head-passenger-side-fleece-performance","title":"2011-2016 Duramax LML Factory Cylinder Head (Passenger Side) (FPE-61-10004-P)","description":"\u003cp\u003eIntroducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured 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. Perfect for the daily driver or towing application, these heads utilize stock valves with a 45 degree angle on the intake and exhaust ports. 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\n","brand":"Fleece Performance","offers":[{"title":"Default Title","offer_id":44525977633019,"sku":"FPE-61-10004-P","price":1738.55,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/3298\/1184\/files\/2011-2016-duramax-lml-factory-cylinder-head-passenger-side-fpe-61-10004-p-fleece-performance.png?v=1725583716"},{"product_id":"2011-2016-factory-lml-duramax-cylinder-head-driver-side-fleece-performance","title":"2011-2016 Duramax LML Factory Cylinder Head (Driver Side) (FPE-61-10004-D)","description":"\u003cp\u003eIntroducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured 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. Perfect for the daily driver or towing application, these heads utilize stock valves with a 45 degree angle on the intake and exhaust ports. 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