{"title":"Our Specialties Valve Springs","description":null,"products":[{"product_id":"d-105-kit-24v","title":"1998-17 5.9L \u0026 6.7L 24 Valve Cummins Conical Valve Spring Kit","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManton 1998-1724v Cummins Conical Valve Spring Kit\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e Transform 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. Engineered 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. The 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. \u003cstrong\u003eImportant Note:\u003c\/strong\u003e Some 1998.5-2002 Cummins trucks may require valve spring pocket adjustments to fit conical springs properly. Manton provides a pocket cutter for this purpose. Upgrade your Cummins today with Manton's superior valve spring and retainer kit, crafted to meet the demands of high-performance engines with precision and reliability.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Manton Diesel","offers":[{"title":"Default Title","offer_id":67809858355399,"sku":"D-105-KIT-24v","price":523.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1787267002254-197377955.jpg?v=1790952165"},{"product_id":"d-105-24v-e","title":"1998-17 5.9L \u0026 6.7L - 24 Valve Cummins Straight Valve Spring Economy Kit (Valve Springs Only)","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManton 24v Cummins Straight Valve Spring\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e24v Cummins Common Rail 5.9-6.7 High Boost Replacement Springs (use with factory retainers and locks) Designed for up to 80 PSI of Boost, if exceeding this please call for us to supply proper valve springs accessories to adjust seat pressure for your max boost.\u003c\/p\u003e\u003cp\u003eSpecs:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e110 LBS @ 1.340 Seat Pressure\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e192LBS @ .920 Open Pressure @ .420 Valve Lift\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eMax Valve Lift Accommodation of .500\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Manton Diesel","offers":[{"title":"Default Title","offer_id":67809858814151,"sku":"D-105-24v-E","price":299.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1787335434510-641823187.jpg?v=1790952168"},{"product_id":"d-105-6-0-6-4","title":"2003-07 6.0L \u0026 2008-10 6.4L Powerstroke Straight Valve Springs Set (Springs Only)","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManton Powerstroke 6.0\/6.4L Valve Springs\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDesigned by Manton for reliability across all performance levels, from Mild to Wild. Sold in a pack of 32 springs. Note: Ford now supplies a single 9.795-inch pushrod length for both 6.0 and 6.4 engines.\u003c\/p\u003e\u003cp\u003eValve spring specifications:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e94 lbs @ 1.840\" installed height\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e238 lbs @ 1.340\" (.500\" valve lift)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eAccommodates max valve lift of .500\" at 1.800\"\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eFits: 2003-2010 6.0 and 6.4L Powerstroke engines\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePlease Note: Manton offers heat-treated spring shims in various thicknesses to adjust seat pressure for max boost adjustments.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Manton Diesel","offers":[{"title":"Default Title","offer_id":67809859272903,"sku":"D-105-6.0\/6.4","price":329.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1787332273943-413823836.jpg?v=1790952172"},{"product_id":"d-105-6-0-6-4hb","title":"2003-07 6.0L \u0026 2008-10 6.4L Powerstroke, High Boost Straight Valve Springs Set (Springs Only)","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManton Powerstroke 6.0\/6.4L High Rev\/High Boost Valve Springs\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDesigned by Manton for reliability across all performance levels, from Mild to Wild. Sold in a pack of 32 springs. Note: Ford now supplies a single 9.795-inch pushrod length for both 6.0 and 6.4 engines.\u003c\/p\u003e\u003cp\u003eValve spring specifications:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e120 lbs @ 1.840\" installed height\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e284 lbs @ 1.340\" (.500\" valve lift)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eAccommodates max valve lift of .540\" \u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eFits: 2003-2010 6.0 and 6.4L Powerstroke engines\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePlease Note: Manton offers heat-treated spring shims in various thicknesses to adjust seat pressure for max boost adjustments.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Manton Diesel","offers":[{"title":"Default Title","offer_id":67809859698887,"sku":"D-105-6.0\/6.4HB","price":359.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1787332273943-413823836_590a6d8e-f33c-4c48-be89-b814c9588307.jpg?v=1790952175"},{"product_id":"d-105-kit-12v","title":"1989-98 5.9L 12 valve Cummins - Conical Valve Spring Kit","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManton Heavy Duty 12v Conical Springs, Billet Retainers \u0026amp; Lock Kit\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFor the 1989-98 12v 5.9L Cummins engines.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpring Specs:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e170lb seat pressure at 1.940 installed height \/ 375lbs. at 1.275 open height\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eCoil binds 1.225 ( max valve lift accommodation of .650 if installed @ 1.940)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eDesigned for up-to 6,500rpm\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003esafe for daily driving \u0026amp; race capable If your running over 40psi \u0026amp; 3700rpm, this is one of the kits for you. Other options available too. Stronger pushrods are recommended when running this kit.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eUpgrade your 12V 5.9L engine with Manton Heavy Duty Conical Springs, Billet Retainers \u0026amp; Lock Kit. Ideal for engines running over 40psi and 3,700rpm; stronger pushrods recommended for this setup. Protects valves from being pushed open under high boost conditions, enhancing efficiency and longevity. Engineered for high boost capability and maximum valve train stability. Perfect for stock rebuilds or high-performance race applications. Lightweight 7-degree billet steel retainers designed to match conical spring shape, stronger than OEM. Includes 7-degree valve locks designed for these retainers. Heat-treated spring shims available in various thicknesses for adjusting seat pressure to accommodate max boost.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Manton Diesel","offers":[{"title":"Default Title","offer_id":67809860321479,"sku":"D-105-Kit-12v","price":436.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1787334717935-567298081.jpg?v=1790952180"},{"product_id":"d-105-6-7sf","title":"2011 to Present 6.7L Powerstroke Upgrade Conical Valve Spring Set (Springs Only)","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManton 6.7L Powerstroke Ford Conical Valve Springs 2011-Present year\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e New Conical Valve Spring for the Ford 6.7L Powerstroke . Designed to allow for increased Lift and Boost while providing better total valve control. Sold as a set of 32.\u003c\/p\u003e\u003cp\u003eSpecs:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e133LBS @ 1.333 installed height\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e183LBS @ .965 (.368 Valve Lift)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eMax Valve Lift Accommodation of .420 if installed at 1.333\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePlease Note: Manton Offers our heat-treated spring shims in various thicknesses to adjust seat pressure if needed to accommodate any max boost you may be seeing.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Manton Diesel","offers":[{"title":"Default Title","offer_id":67809860485319,"sku":"D-105-6.7SF","price":420.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1787351824917-91811060.jpg?v=1790952182"},{"product_id":"d-105-kit-24v-hb","title":"\u003cp\u003e\u003cstrong\u003e1998-17 5.9L \u0026amp; 6.7L 24 Valve Cummins High Boost Conical Valve Spring Kit\u003c\/strong\u003e\u003c\/p\u003e","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManton 24v Cummins High Boost Conical Valve Spring Kit\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIncludes :\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e(24) Conical Valve Springs\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e(24) Billet Valve Spring Retainers\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e(48) Valve Locks\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e125 lbs @ 1.370\" installed height\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e190 lbs @ 0.920\" lift\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eMaximum valve lift accommodates 0.450\" at 1.370\" installed height.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\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 125 lbs. of seat pressure and 190 lbs. of open pressure at 0.450 lift, crucial for vehicles with upgraded performance cams. Engineered with  The springs are optimized for up to 95 PSI boost, backed by 125 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. \u003cstrong\u003eImportant Note:\u003c\/strong\u003e Some 1998.5-2002 Cummins trucks may require valve spring pocket adjustments to fit conical springs properly. Manton provides a pocket cutter for this purpose. Upgrade your Cummins today with Manton's superior valve spring and retainer kit, crafted to meet the demands of high-performance engines with precision and reliability.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e","brand":"Manton Diesel","offers":[{"title":"Default Title","offer_id":67809863991495,"sku":"D-105-KIT-24v-HB","price":576.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/1953\/2743\/files\/1787266976696-224826486.jpg?v=1790952214"}],"url":"https:\/\/mantonpushrods.com\/collections\/our-specialties-valve-springs.oembed","provider":"Manton Racing Products","version":"1.0","type":"link"}