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The COMP Cams shaft rocker kit for Chevrolet big block applications pairs 2024 aluminum rockers with an 8620 hardened steel shaft to increase rigidity and free up horsepower. Specified with a 1.7 ratio for standard big-block heads, the system improves valve-train stability and power transfer. Installation may necessitate valve cover spacers, baffle removal, or aftermarket valve covers for adequate clearance.
COMP Cams Shaft Rocker BBC Dart Iron Eagle
