Brian Tooley Racing Cylinder Head Gasket - Right Side - 3.834 in Bore - 0.052 in Compressed Thickness - GM GenV LT-Series (Pair) 61001-X12 These rocker arms feature a

These rocker arms feature a 7/16" stud diameter and 1

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Brian Tooley Racing Cylinder Head Gasket - Right Side - 3.834 in Bore - 0.052 in Compressed Thickness - GM GenV LT-Series (Pair) 61001-X12 These rocker arms feature aProduct Description: Cylinder Head Gasket 3. 834 in Bore 0. 052 in Compressed Thickness Multi Layered Steel GM GenV LT 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