{"product_id":"ppe-conical-valve-springs-retainers-keepers-kit-for-2001-2016-gmc-chevrolet-6-6l-duramax","title":"PPE Conical Valve Springs\/Retainers\/Keepers Kit For 2001-2016 GMC Chevrolet 6.6L Duramax","description":"\u003cp\u003eUpgraded conical spring kit for the 2001-2016 GM 6.6L Duramax. The conical valve springs with higher spring rate and the lighter weight of valve train components result in sharper response and eliminate valve float under high engine RPMs. These stiffer springs have an installed pressure of 125 pounds and handle 60+ psi of boost\u003c\/p\u003e\n\u003cp\u003eThe spring retainers and seats are made of high-strength chromoly steel to handle the increased spring pressure. The FKM valve seals are tailored to the Cast Iron Heads’ valve guides for a tight seal\u003c\/p\u003e\n\u003cp\u003eEach kit services two complete cylinder heads\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-Performance Valve Springs for Increased Engine Durability\u003c\/li\u003e\n\u003cli\u003eStronger Springs Prevent Valve Float at High RPMs\u003c\/li\u003e\n\u003cli\u003eLightweight Retainers Reduce Valve Train Mass for Improved Efficiency \u003c\/li\u003e\n\u003cli\u003ePrecision-Machined Keepers Ensure Secure Valve Retention\u003c\/li\u003e\n\u003cli\u003eDesigned to Handle Increased Boost and Performance Modifications\u003c\/li\u003e\n\u003cli\u003eIdeal for High-Performance and Heavy-Duty Applications\u003c\/li\u003e\n\u003cli\u003e1 Year Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e2001-2016 GMC Sierra 2500\/3500 6.6L Duramax\u003c\/li\u003e\n\u003cli\u003e2001-2016 Chevrolet Silverado 2500\/3500 6.6L Duramax \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eIncluded:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(32) Springs\u003c\/li\u003e\n\u003cli\u003e(32) Spring Retainers \u003c\/li\u003e\n\u003cli\u003e(32) Spring Seats\u003c\/li\u003e\n\u003cli\u003e(32) Sets of Keepers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eThis Product Cannot Be Shipped To California \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"PPE","offers":[{"title":"Default Title","offer_id":47540077854877,"sku":"110090050","price":539.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/2504\/1821\/files\/1_230a0603-2bef-4cc9-8871-08df4c64c40f.png?v=1767985581","url":"https:\/\/rudysdiesel.com\/products\/ppe-conical-valve-springs-retainers-keepers-kit-for-2001-2016-gmc-chevrolet-6-6l-duramax","provider":"Rudy's Performance Parts","version":"1.0","type":"link"}