{"product_id":"6-0l-powerstroke-spring-kit-upgrade-for-ford-f250-f350-f450-f550-excursion-03-07","title":"6.0L Powerstroke Spring Kit Upgrade for Ford F250 F350 F450 F550 Excursion 03 07","description":"\u003cstrong\u003eThis 6.0L Powerstroke Spring Kit is a performance valve spring set compatible with 2003-2007 Ford F250 F350 F450 F550 Excursion models equipped with the 6.0L Powerstroke diesel engine.\u003c\/strong\u003e \u003ch2\u003eProduct Overview\u003c\/h2\u003e \u003cp\u003eThe 6.0L Powerstroke Spring Kit replaces factory valve springs with a higher‑rate set designed to eliminate valve float under increased boost and RPM. Engineered for 2003‑2007 Ford Super Duty trucks and Excursion SUVs with the 6.0L Powerstroke V8, this spring kit extends valvetrain reliability during towing and performance tuning. It provides valvetrain stability essential for any 6.0L Powerstroke running an aftermarket turbo, tuner, or heavy‑duty usage.\u003c\/p\u003e \u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eHigher seat and open pressure prevent valve float at elevated boost levels\u003c\/li\u003e \u003cli\u003eChrome silicon alloy steel construction withstands high heat and sustained load cycling\u003c\/li\u003e \u003cli\u003ePrecision‑wound coils and stress‑relieved finish minimize spring fatigue\u003c\/li\u003e \u003cli\u003eDirect replacement for factory springs—no cylinder head modifications required\u003c\/li\u003e \u003cli\u003eIncludes steel retainers and valve locks for a complete valvetrain update\u003c\/li\u003e \u003cli\u003eSupports cam profiles up to .550” lift for mild aftermarket cams\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e2003-2007 Ford F-250 Super Duty 6.0L Powerstroke\u003c\/li\u003e \u003cli\u003e2003-2007 Ford F-350 Super Duty 6.0L Powerstroke\u003c\/li\u003e \u003cli\u003e2003-2007 Ford F-450 Super Duty 6.0L Powerstroke\u003c\/li\u003e \u003cli\u003e2003-2007 Ford F-550 Super Duty 6.0L Powerstroke\u003c\/li\u003e \u003cli\u003e2003-2005 Ford Excursion 6.0L Powerstroke\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eCommon Uses\u003c\/h3\u003e \u003cul\u003e \u003cli\u003ePerformance tuning with increased turbo boost and EGTs\u003c\/li\u003e \u003cli\u003eTowing and hauling applications that demand sustained high-RPM stability\u003c\/li\u003e \u003cli\u003ePreventative maintenance when replacing worn valve springs on high‑mileage 6.0L engines\u003c\/li\u003e \u003cli\u003eSupporting mild aftermarket camshaft profiles\u003c\/li\u003e \u003cli\u003eFleet service to reduce valvetrain‑related downtime\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSpring Type:\u003c\/strong\u003e Performance valve spring, single with damper\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High‑tensile chrome silicon alloy steel\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e 2003‑2007 Ford 6.0L Powerstroke V8 diesel\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eKit Contents:\u003c\/strong\u003e 16 valve springs, 16 steel retainers, 32 valve locks\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaximum Lift Support:\u003c\/strong\u003e Up to .550”\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this spring kit require professional installation? \u003cstrong\u003eA:\u003c\/strong\u003e Valve spring replacement typically requires specialty tools and partial engine disassembly; professional installation is strongly recommended.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this spring kit work with stock camshaft and rocker arms? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, it is engineered to work with the factory 6.0L Powerstroke camshaft and rocker assemblies while providing increased valvetrain stability.\u003c\/p\u003e \u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53679700312337,"sku":"ZZ3A00436","price":72.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/57_63bd70cd-5d02-452a-870c-6050d013314c.jpg?v=1781653709","url":"https:\/\/www.duraforce.com\/products\/6-0l-powerstroke-spring-kit-upgrade-for-ford-f250-f350-f450-f550-excursion-03-07","provider":"DURAFORCE","version":"1.0","type":"link"}