{"product_id":"btr-max-pressure-sbc-dual-spring-kit-650-lift-for-roller-rockers-sk004s","title":"BTR MAX PRESSURE SBC DUAL SPRING KIT - .650\" LIFT - FOR ROLLER ROCKERS - SK004S","description":"\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: 18px;\"\u003e\u003cstrong\u003eBTR MAX PRESSURE SBC DUAL SPRING KIT - .650\" LIFT - FOR ROLLER ROCKERS - SK004\/S\/0560\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eBTR’s Max Pressure Spring Kit applies what we learned when designing the Platinum Spring Kit (SK001) and applies it to applications utilizing roller rockers. Due to the additional weight of roller rockers, a higher spring rate is needed to retain valvetrain stability. \u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 16px;\"\u003eKit includes: \u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003e• SP010-1 - .650” lift BTR Max Pressure Dual Valve Springs (16)\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003e• SR004S-16 - BTR Steel Retainer Set For Max Pressure Springs \u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003e• SL505060-16 - BTR Spring Locator Set; .505\" ID, .060\" Thick\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003e • VS500341-16 - BTR Valve Seal Kit\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003e • CC648-16 - Valve Lock Set \u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 16px;\"\u003eSpring specs: \u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003e170 lbs @ 1.800”\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003e450 lbs @ 1.115”\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003eCoil bind @ 1.000”\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003e408 lbs spring rate\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size: 18px; color: rgb(224, 62, 45);\"\u003e\u003cstrong\u003eMEASURE YOUR VALVE GUIDES BEFORE PURCHASE!\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\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\"\u003eEMS Code\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"EMS Code\"\u003eEMS: Code 4 - This product does not require an EO in California. By nature of its design, it is legal for sale and use in all 50 states. Replacement parts included.\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eBTR SKU\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"BTR SKU\"\u003eSK004\/S\/0560\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\"\u003e12.000000\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\"\u003e3.000000\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\"\u003e4.000000\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\"\u003e8.000000\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\"\u003eBrian Tooley Racing\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 Kit\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\"\u003eSmall Block Chevy\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\"\u003eDUAL\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eMax Lift\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"Max Lift\"\u003e.650\"\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eRetainers Included\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"Retainers Included\"\u003eYES\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eValve Seals Included\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"Valve Seals Included\"\u003eYES\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eLocators Included\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"Locators Included\"\u003eYES\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eLocks Included\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"Locks Included\"\u003eYES\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e","brand":"BTR - Brian Tooley Racing","offers":[{"title":"Default Title","offer_id":62806485958815,"sku":"SK004\/S\/0560","price":519.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0424\/7571\/6767\/files\/sk004-s-0560_1_of_1.jpg?v=1780524593","url":"https:\/\/streetdrivenperformance.com\/products\/btr-max-pressure-sbc-dual-spring-kit-650-lift-for-roller-rockers-sk004s","provider":"Street Driven Performance","version":"1.0","type":"link"}