{"product_id":"btr-platinum-ls-dual-spring-kit-660-lift-sk001","title":"BTR PLATINUM LS DUAL SPRING KIT - .660\" LIFT - SK001","description":"\u003cdiv data-content-type=\"row\" data-appearance=\"contained\" data-element=\"main\"\u003e\u003cdiv data-enable-parallax=\"0\" data-parallax-speed=\"0.5\" data-background-images=\"{}\" data-background-type=\"image\" data-video-loop=\"true\" data-video-play-only-visible=\"true\" data-video-lazy-load=\"true\" data-video-fallback-src=\"\" data-element=\"inner\" data-pb-style=\"JFUV868\"\u003e\u003cdiv data-content-type=\"text\" data-appearance=\"default\" data-element=\"main\"\u003e\n\u003ch3 style=\"text-align: center;\"\u003e\u003cstrong\u003eBTR PLATINUM LS DUAL SPRING KIT - TITANIUM RETAINER - .660\" LIFT - SK001\/T\/0560\/BB\u003c\/strong\u003e\u003c\/h3\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\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\/p\u003e \u003cp\u003eThe kit includes:\u003c\/p\u003e \u003cp\u003eSP001-1 dual polished spring (qty 16)\u003c\/p\u003e \u003cp\u003eVL7°8MM-1 locks (qty 32)\u003c\/p\u003e \u003cp\u003eTitanium (SR001-1) or chromoly steel (SR001S-1) retainers (qty 16)\u003c\/p\u003e \u003cp\u003eLocators for stock (SL505060-1) or bronze (SL565060-1) guides (qty 16)\u003c\/p\u003e \u003cp\u003eVS LS valve seals (qty 16)\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003eSpring specs are as follows:\u003c\/p\u003e \u003cp\u003e•155 lbs @ 1.780\"\u003c\/p\u003e \u003cp\u003e•380 lbs @ 1.180\"\u003c\/p\u003e \u003cp\u003e•400 lbs @ 1.130\"\u003c\/p\u003e \u003cp\u003e•Coil bind @ 1.070\"\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e","brand":"BTR","offers":[{"title":"Steel \/ Bronze Guide .565\" ID .045\" Thick \/ Black","offer_id":62651149779103,"sku":"SK001\/S\/6545\/BB","price":319.99,"currency_code":"USD","in_stock":true},{"title":"Steel \/ Bronze Guide .565\" ID .060\" Thick \/ Black","offer_id":62651196637343,"sku":"SK001\/S\/6560\/BB","price":319.99,"currency_code":"USD","in_stock":true},{"title":"Steel \/ Dart\/RHS .520\" ID .060\" Thick \/ Black","offer_id":62651167080607,"sku":"SK001\/S\/2060\/BB","price":319.99,"currency_code":"USD","in_stock":true},{"title":"Steel \/ Stock Size .505\" ID .045 Thick \/ Black","offer_id":62651167113375,"sku":"SK001\/S\/0545\/BB","price":319.99,"currency_code":"USD","in_stock":true},{"title":"Steel \/ Stock Size .505\" ID .060 Thick Standard Size \/ Black","offer_id":62651167146143,"sku":"SK001\/S\/0560\/BB","price":319.99,"currency_code":"USD","in_stock":true},{"title":"Titanium +$50.00 \/ Bronze Guide .565\" ID .045\" Thick \/ Black","offer_id":62651167178911,"sku":"SK001\/T\/6545\/BB","price":369.99,"currency_code":"USD","in_stock":true},{"title":"Titanium +$50.00 \/ Bronze Guide .565\" ID .060\" Thick \/ Black","offer_id":62651196670111,"sku":"SK001\/T\/6560\/BB","price":319.99,"currency_code":"USD","in_stock":true},{"title":"Titanium +$50.00 \/ Dart\/RHS .520\" ID .060\" Thick \/ Black","offer_id":62651167211679,"sku":"SK001\/T\/2060\/BB","price":369.99,"currency_code":"USD","in_stock":true},{"title":"Titanium +$50.00 \/ Stock Size .505\" ID .045 Thick \/ Black","offer_id":62651167244447,"sku":"SK001\/T\/0545\/BB","price":369.99,"currency_code":"USD","in_stock":true},{"title":"Titanium +$50.00 \/ Stock Size .505\" ID .060 Thick Standard Size \/ Black","offer_id":62651167277215,"sku":"SK001\/T\/0560\/BB","price":369.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/4913\/5519\/files\/cam_kits_2_of_3__1.jpg?v=1768862339","url":"https:\/\/rdperformancefab.com\/products\/btr-platinum-ls-dual-spring-kit-660-lift-sk001","provider":"rdperformancefab","version":"1.0","type":"link"}