{"product_id":"btr-ls9-685-lift-valve-spring-kit","title":"BTR LS9 .685\" LIFT VALVE SPRING KIT","description":"BTR LS9 .685\" LIFT VALVE SPRING KIT - SK702\/0560\/LS9 When you decide to take a walk on the wild side and exceed the .660â€ limit of our popular Platinum Spring Kit, the next step is our .685â€ Spring Kit. A higher spring rate and titanium retainers will ensure valvetrain stability with radical camshafts. FOR LS9 ENGINES ONLY! The kit includes the following: â€¢ SP010-16 â€¢ SR006-16 â€¢ SL505060-16 (stock or powder metal guide) â€¢ VS LS KIT â€¢ VL7Â°8MM-32 Spring specs are as follows: â€¢170 lbs @ 1.800\" â€¢380 lbs @ 1.180\" â€¢450 lbs @ 1.115 â€¢Coil bind @ 1.000\"","brand":"Brian Tooley Racing","offers":[{"title":"Default Title","offer_id":61757071294834,"sku":"SK702\/0560\/LS9","price":369.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0960\/6643\/7490\/files\/hyper-motive-image-coming-soon_ff08baf2-0383-4c9c-b90a-f50ec52ec6a0.png?v=1775963233","url":"https:\/\/hypermotive.com\/products\/btr-ls9-685-lift-valve-spring-kit","provider":"Hypermotive Performance","version":"1.0","type":"link"}