{"product_id":"dual-valve-spring-kit-for-ls9-heads","title":"Dual Valve Spring Kit for LS9 Heads","description":"The Brian Tooley Racing Platinum LS9 Dual Spring Kit, SKU BTR-SK006, is engineered specifically for GM LS9 supercharged engines. It is ideal for high-horsepower street, track, and race applications where reliability is crucial.\n\nThis kit includes dual polished valve springs, steel valve spring retainers, stock .505\" ID x .060\" thick standard locators, black valve seals, and valve locks. The spring specifications include 155 lbs of seat pressure at 1.780\", 380 lbs of open pressure at 1.180\", and a maximum valve lift capability of .660\", with coil bind occurring at 1.070\".\n\nThe BTR Platinum LS9 Dual Valve Spring Kit is designed as a drop-in kit for LS9 heads only, ensuring ease of installation for qualified technicians. It is intended for use with stock rocker arms and is built to withstand the demanding conditions of supercharged LS9 engines.","brand":"Brian Tooley Racing","offers":[{"title":"Default Title","offer_id":52872039366968,"sku":"BTR-SK006","price":309.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/store.motormia.co\/products\/dual-valve-spring-kit-for-ls9-heads","provider":"MOTORMIA","version":"1.0","type":"link"}