{"product_id":"btr-spring-kit-solid-roller-lsx-750-lift-sk427","title":"BTR SPRING KIT - SOLID ROLLER LSx - .750\" LIFT - SK427","description":"\u003cp\u003e\u003cstrong\u003eBTR SPRING KIT - SOLID ROLLER LSx - .750\" LIFT - SK427\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eWhen you take the plunge into a solid roller combination, taking the guesswork out of the valvetrain combination is a huge relief. For that reason, BTR is proud to introduce the SK427 valve spring kit.\u003c\/p\u003e \u003cp\u003eParts included:\u003c\/p\u003e \u003cp\u003e(16) SR532 titanium retainers\u003c\/p\u003e \u003cp\u003e(16) PSI-DR427R ML valve springs\u003c\/p\u003e \u003cp\u003e(16) VS LS valve seals\u003c\/p\u003e \u003cp\u003e(32) VLM8-8MM-1 valve locks\u003c\/p\u003e \u003cp\u003e(16) SLS128-1 locators (stock guides) OR (16) SLS138-1 locators (bronze guides)\u003c\/p\u003e \u003cp\u003eSpring specs:\u003c\/p\u003e \u003cp\u003eType: Dual\u003cbr\u003eSpring OD: 1.300″\u003cbr\u003eInner ID: .628″\u003cbr\u003eSeat: 230 lbs @ 1.850″\u003cbr\u003eOpen: 715 lbs @ 1.100″\u003cbr\u003eRecommended Lift: .750″\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003e\u003cem\u003eNOTE: Please check valve guide clearance if you exceed .650 - .660 lift. \u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003e\u003cem\u003e \u003cbr\u003e*Due to design of retainer \u0026amp; valve lock, these components must be used as a set are cannot be mix\/matched with other manufacturer's components. \u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Brian Tooley Racing","offers":[{"title":"Stock Size .505\" ID .060\" Thick (STANDARD SIZE)","offer_id":47878245154972,"sku":"SK427\/500","price":999.99,"currency_code":"USD","in_stock":true},{"title":"Bronze Guide .565\" ID .060\" Thick","offer_id":47878245187740,"sku":"SK427\/560","price":999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0473\/3206\/5436\/files\/s_k_sk427_configurable_1_of_1__7.jpg?v=1791771613","url":"https:\/\/daroracing.com\/products\/btr-spring-kit-solid-roller-lsx-750-lift-sk427","provider":"Daro Racing","version":"1.0","type":"link"}