and Performance Parts and Accessories
66913C - Chevrolet Big Block Proform 7/16" Stud 1.7:1 Ratio Aluminum Roller Rocker Set
Rid your upper valve train of friction with these full-roller rocker arms. The race-proven needle bearing fulcrum and roller tip not only unleash horsepower, they also lengthen valve train component life and reduce wear and tear on valve stem tips.
Precision machined to ensure consistency, ratio accuracy and increased horsepower and torque.
Fits Chevrolet big blocks through 1984 with 7/16" rocker studs. Set of 16 full roller rockers and 16 poly locks.
Easy installation requiring no special tools.…
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