{"product_id":"btr-550-lift-gen-v-lt-beehive-valve-spring-set-like-12691120-btr91120-16","title":"BTR .550\" LIFT GEN V LT BEEHIVE VALVE SPRING SET - LIKE 12691120 - BTR91120-16","description":"\u003ch3\u003eBTR .550\" LIFT GEN V LT V8 BEEHIVE VALVE SPRING - LIKE 12691120 - BTR91120-16\u003c\/h3\u003e \u003cp\u003eThese beehive springs from BTR are a drop in replacement for the stock valve springs on your L83, L84, L86, L87, L8T or LT1 engine. Designed to use with stock retainers and locks.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e95lbs @ 1.870\"\u003c\/li\u003e \u003cli\u003e300lbs @ 1.330\"\u003c\/li\u003e \u003cli\u003eCoil bind @ 1.280\"\u003c\/li\u003e \u003cli\u003e386lb spring rate\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eNOTE - BTR does not recommend single wire conical or beehive springs with roller rockers due to the extra mass causing loss of valve train stability, or the use of a higher ratio rocker as it could possibly cause a coil bind issue.\u003c\/p\u003e","brand":"Brian Tooley Racing","offers":[{"title":"Default Title","offer_id":47878365347996,"sku":"BTR91120-16","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0473\/3206\/5436\/files\/btr91120-16_1_of_2.jpg?v=1791939251","url":"https:\/\/daroracing.com\/products\/btr-550-lift-gen-v-lt-beehive-valve-spring-set-like-12691120-btr91120-16","provider":"Daro Racing","version":"1.0","type":"link"}