Brian Tooley Racing Conical Single Valve Spring - Single Spring - 362 lb. - 1.165 in Coil Bind - 1.285 in OD MAH4315MS-15-1 aftermarket cylinder heads

aftermarket cylinder heads

2" or 3" Rear Drop

1973-1977 Pontiac Grand Safari

Sparco to Driver Side Subaru WRX or STI 2008-14

Brian Tooley Racing Conical Single Valve Spring - Single Spring - 362 lb. - 1.165 in Coil Bind - 1.285 in OD MAH4315MS-15-1 aftermarket cylinder headsProduct Description: Valve Spring Kit Conical Single Spring 362 lb in Spring Rate 1. 165 in Coil Bind 1. 285 in OD Viton Seals Seats Lash Caps 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 creating custom