{"product_id":"btr-platinum-dual-spring-660-lift-sold-individually-sp001-1","title":"BTR Platinum Dual Spring - .660 Lift - Sold Individually","description":"\u003cp\u003eBTR PLATINUM DUAL SPRING - .660 LIFT - SOLD INDIVIDUALLY - SP001-1\u003cbr\u003e\nBTR's .660\" lift Platinum spring is our most popular and successful spring to date! Each spring pair is polished for a beautiful look and ground to exact flatness and finish. Beware of chrome-plated imitators! Extreme durability and consistency means that you can rev up without worry, with hundreds of thousands of miles, passes and testing hours we're sure you'll be impressed. Designed for use with OEM style rocker arms in LS\/LT applications. Sold individually, see our other Platinum spring kits for complete valve spring setups with seals, retainers, locks and keepers!\u003cbr\u003e\n155 lbs @ 1.780” Installed pressure \/ height\u003cbr\u003e\n380 lbs @ 1.180” Open pressure \/ height\u003cbr\u003e\n400 lbs @ 1.130” Open pressure \/ height\u003cbr\u003e\nCoil bind @ 1.070”\u003c\/p\u003e","brand":"Brian Tooley Racing","offers":[{"title":"Default Title","offer_id":52041486860582,"sku":"SP001-1","price":17.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/1666\/1542\/files\/m2_sp001-1_49.jpg?v=1770813069","url":"https:\/\/billysspeedshop.com\/fr\/products\/btr-platinum-dual-spring-660-lift-sold-individually-sp001-1","provider":"Billys Speed Shop","version":"1.0","type":"link"}