{"product_id":"btr-platinum-ls-dual-spring-kit-660-lift","title":"BTR PLATINUM LS DUAL SPRING KIT - .660\" LIFT","description":"\u003cdiv class=\"rte\"\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-pb-style=\"62038555D32EE\"\u003e\u003cspan data-pb-style=\"62038555D32FA\"\u003e\u003cstrong\u003eBTR PLATINUM LS DUAL SPRING KIT - .660\" LIFT - SK001\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan data-pb-style=\"62038555D3306\"\u003eThe BTR platinum spring kit would be inducted into the LS aftermarket hall of fame if such a thing existed. Whether you’re putting together a daily driver with a mild cam, a 600 hp N\/A stroker, or a turbocharged 1000 hp brawler, our platinum spring kit will make sure your valves are right where your cam wants them to be at all times. They are designed to be used with stock rocker arms. This is a drop-in kit for 15° LS heads. It will also work with LS7 heads when used with a .045” shim (Part numbers SS015 +SS030). This kit will not fit LS9 engines. See part # SK006 for LS9 heads.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-pb-style=\"62038555D3312\"\u003eThe kit includes:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-pb-style=\"62038555D3331\"\u003eSP001-1 dual polished spring (qty 16)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-pb-style=\"62038555D333D\"\u003eVL7°8MM-1 locks (qty 32)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-pb-style=\"62038555D3349\"\u003eTitanium (SR001-1) or chromoly steel (SR001S-1) retainers (qty 16)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-pb-style=\"62038555D3355\"\u003eLocators for stock (SL505060-1) or bronze (SL565060-1) guides (qty 16)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-pb-style=\"62038555D3361\"\u003eVS LS valve seals (qty 16)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan data-pb-style=\"62038555D336D\"\u003eSpring specs are as follows:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-pb-style=\"62038555D3378\"\u003e•155 lbs @ 1.780\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-pb-style=\"62038555D3384\"\u003e•380 lbs @ 1.180\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-pb-style=\"62038555D3390\"\u003e•400 lbs @ 1.130\"\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-pb-style=\"62038555D339C\"\u003e•Coil bind @ 1.070\"\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Brian Tooley Racing","offers":[{"title":"Steel Retainers","offer_id":46456626184391,"sku":"Sk001-S","price":319.99,"currency_code":"USD","in_stock":true},{"title":"Titanium Retainers","offer_id":46473017753799,"sku":"Sk001- TI","price":369.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/3029\/6263\/files\/660_d5a4ea5f-2bbd-44c5-8438-4cad85c37e0b.jpg?v=1777221245","url":"https:\/\/justifiedproformance.com\/products\/btr-platinum-ls-dual-spring-kit-660-lift","provider":"Justified PROformance","version":"1.0","type":"link"}