COMP Cams Ultra Gold ARC Aluminum Roller Rocker Arm - 7/16 in Stud Mount - 1.70 Ratio - Gold - Big Block Chevy CK02421 Single 4-Barrel To Dual

Single 4-Barrel To Dual

direct drive transmission featuring the lowest rotating weight and moment of inertia available of any transmission on the market and is available with a magnesium or aluminum case

Duration 275 / 295

Generation II MPZ®

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COMP Cams Ultra Gold ARC Aluminum Roller Rocker Arm - 7/16 in Stud Mount - 1.70 Ratio - Gold - Big Block Chevy CK02421 Single 4-Barrel To DualThese COMP Cams Ultra Gold Aluminum Roller Rocker Arms with a 7 16" stud diameter and 1. 7 ratio are designed for Big Block Chevrolet 396 454 applications. The new modern design features of these Ultra Gold Rockers are proven to withstand extremely aggressive spring pressure and valve lift. Designed specifically for high performance street and race engines, the Ultra Gold Aluminum Rocker Arms are precision CNC machined to strict tolerances. Developed