{"product_id":"chevrolet-performance-ls6-valve-spring-550-lift-12713265","title":"CHEVROLET PERFORMANCE LS6 VALVE SPRING - .550\" LIFT - 12713265","description":"\u003ch3\u003eCHEVROLET PERFORMANCE LS6 VALVE SPRING - .550\" LIFT - 12713265\u003c\/h3\u003e \u003cp\u003e \u003c\/p\u003e \u003cul\u003e \u003cli\u003eThe \"LS6\" spring is for .550? Lift or less Camshafts – Engineered to handle aggressive cam profiles with up to .550? of lift, making it perfect for street\/strip and boosted applications needing added valvetrain stability.\u003c\/li\u003e \u003cli\u003eAggressive Beehive Design – Reduces mass in the valvetrain, improves harmonics, and increases spring efficiency at higher RPMs—ideal for maintaining control in performance engines.\u003c\/li\u003e \u003cli\u003eDirect Fit for 4.8–6.2L LS Engines – Installs without modification on LS1, LS2, LS3, LS6, LQ4, and LQ9 cylinder heads\u003c\/li\u003e \u003cli\u003eDelivers 90 lbs at 1.800? installed height with 295 lb\/in spring rate at 1.250\", offering reliable performance without coil bind or float.\u003c\/li\u003e \u003c\/ul\u003e\u003cp\u003eFeatures:\u003c\/p\u003e\u003ctable class=\"data table additional-attributes\" id=\"product-attribute-specs-table\"\u003e \u003ccaption class=\"table-caption\"\u003eFeatures\u003c\/caption\u003e \u003ctbody\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eBTR SKU\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"BTR SKU\"\u003eGM-12713265\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eLength\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"Length\"\u003e4.000000\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eWidth\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"Width\"\u003e1.000000\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eHeight\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"Height\"\u003e1.000000\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eWeight\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"Weight\"\u003e1.000000\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eBrand\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"Brand\"\u003eChevrolet Performance\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003ePart Type\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"Part Type\"\u003eValve Spring\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eEngine Type\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"Engine Type\"\u003eGen III\/Gen IV LS\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eSpring Type\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"Spring Type\"\u003eSINGLE\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e","brand":"Chevrolet Performance - BTR","offers":[{"title":"Default Title","offer_id":62806489989279,"sku":"GM-12713265","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0424\/7571\/6767\/files\/12713265.jpg?v=1780524742","url":"https:\/\/streetdrivenperformance.com\/products\/chevrolet-performance-ls6-valve-spring-550-lift-12713265","provider":"Street Driven Performance","version":"1.0","type":"link"}