Brian Tooley Racing Cylinder Head Gasket - Right Side - 3.910 in Bore - 0.051 in Compressed Thickness - GM LS-Series (Pair) YA0870 ONYX Series

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Brian Tooley Racing Cylinder Head Gasket - Right Side - 3.910 in Bore - 0.051 in Compressed Thickness - GM LS-Series (Pair) YA0870 ONYX SeriesProduct Description: Cylinder Head Gasket 3. 910 in Bore 0. 051 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