Brian Tooley Racing SK001 Platinum Dual Valve Spring Kit w/Steel Retainers for GM Gen III IV LS

The 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 typically work with LS7 heads when used with a .030” shim (Part numbers SS030). This kit will not fit LS9 engines. See part # SK006 for LS9 heads. Kit includes: SP001-1 dual polished spring (qty 16) VL7°8MM-1 locks (qty 32) chromoly steel (SR001S-1) retainers (qty 16) Locators for stock or bronze guides (qty 16) VS LS valve seals (qty 16)

• .660" Max Lift
• Polished Dual Valve Springs with Steel Retainers
• Kit includes springs, retainers, locks, and seals
• Fit Chevrolet Gen III IV LS Engines
• Spring specs: 155 lbs @ 1.780" 380 lbs @ 1.180" 400 lbs @ 1.130" Coil bind @ 1.070"