Brian Tooley Racing Cylinder Head Gasket - Right Side - 4.100 in Bore - 0.055 in Compressed Thickness - GM LS-Series (Pair) COM11-770-8 060" thick Valve Spring Shims

060" thick Valve Spring Shims with 1

Gasket Fans

Front Runner Low Profile

On-Board Diagnostic LEDS for: ECU Power - Engine Run - Wideband Status - TPS Calibration - Crank Signal -Cam Signal

1988-1991 GMC S15 Jimmy

Brian Tooley Racing Cylinder Head Gasket - Right Side - 4.100 in Bore - 0.055 in Compressed Thickness - GM LS-Series (Pair) COM11-770-8 060" thick Valve Spring ShimsProduct Description: Cylinder Head Gasket 4. 100 in Bore 0. 055 in Compressed Thickness Multi Layered Steel GM LS Series Pair 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 parts for