Brian Tooley Racing Dual Valve Spring Kit - 380 lb. - 1.070 in Coil Bind - 1.300 in OD - GM LS-Series STR4304804-01-02 Composite Industry Awards and countless

Composite Industry Awards and countless honors for product development

Its advanced 2-in-1 corrosion inhibitor and wetting agent provides year-round defense against corrosion

Withstands Extreme High Temperatures

QuickCar Racing Products has set the standard for battery cables in the racing industry

Brian Tooley Racing Dual Valve Spring Kit - 380 lb. - 1.070 in Coil Bind - 1.300 in OD - GM LS-Series STR4304804-01-02 Composite Industry Awards and countlessProduct Description: Valve Spring Kit Dual Spring 380 lb in Spring Rate 1. 070 in Coil Bind 1. 300 in OD Locks Steel Retainers Viton Seals Seats GM LS Series Brian Tooley Racing (BTR) started as a small operation fueled by Brian Tooley's passion for engine performance and innovation. In the early 1990s, Tooley began his journey in the performance industry by working on cylinder heads and founding Total Engine Airflow (TEA). Eventually, he shifted to