{"product_id":"ppe-upgraded-valve-conical-spring-kit-for-2011-2016-gmc-chevrolet-6-6l-duramax","title":"PPE Upgraded Valve \u0026 Conical Spring Kit For 2001-2016 GMC\/Chevrolet 6.6L Duramax","description":"\u003cp\u003eUpgraded conical spring and valve 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. All valves are fully nitridated and Stellite-Alloy-reinforced for superior durability and reliability \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\u003eSpecifically designed for GM 6.6L Duramax engines \u003c\/li\u003e\n\u003cli\u003eComponents included for both driver and passenger side cylinder heads\u003c\/li\u003e\n\u003cli\u003eFully nitridated valves for superior durability and reliability\u003c\/li\u003e\n\u003cli\u003eReinforced design to handle high engine demands\u003c\/li\u003e\n\u003cli\u003eTapered valve springs with higher spring rates for faster response during high RPMs\u003c\/li\u003e\n\u003cli\u003eRated to 126 lbs at installed height\u003c\/li\u003e\n\u003cli\u003eCapable of handling 60+ lbs of boost\u003c\/li\u003e\n\u003cli\u003ePrevents valve float under extreme conditions\u003c\/li\u003e\n\u003cli\u003ePremium chromoly material for enhanced longevity and durability of valve seats, retainers, and keepers\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(16) Intake Valves\u003c\/li\u003e\n\u003cli\u003e(16) Exhaust Valves\u003c\/li\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\u003cli\u003e(32) Valve Seals\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":47540305658013,"sku":"110090080","price":809.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/2504\/1821\/files\/1_586226ee-5eaa-40ee-a663-97b06bcb0d0b.png?v=1767988536","url":"https:\/\/rudysdiesel.com\/products\/ppe-upgraded-valve-conical-spring-kit-for-2011-2016-gmc-chevrolet-6-6l-duramax","provider":"Rudy's Performance Parts","version":"1.0","type":"link"}