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COMP Cams shaft-mount rocker kit for Chevrolet Small Block with 18° Bowtie heads uses 2024 aluminum rockers on an 8620 hardened steel shaft to improve rigidity and valve-train stability. The 1.6/1.5 ratio arrangement positions the rocker over the valve for efficient cam power transfer, helping free up horsepower while offering a more stable mounting than stud-style designs.
COMP Cams Shaft Rocker SBC GM Bowtie 18 De
