COMP Cams Ultra Pro Magnum Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.70 Ratio - Big Block Chevy RS003C0113 Our standards are the highest

Our standards are the highest in the performance industry

Single-Plane EFI

Stop tripping over the push broom

Vortec / ZZ6

Timing Chain Cover Timing Cover

COMP Cams Ultra Pro Magnum Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.70 Ratio - Big Block Chevy RS003C0113 Our standards are the highestThe Ultra Pro Magnum Roller Rocker Arms for Big Block Chevy 396 454 applications take stud mount rocker performance, stability and value to a whole new level. These rocker arms feature a 7 16" stud diameter and 1. 7 ratio. The 8650 chromemoly material and arched, web like design deliver increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. A unique black oxide exterior finish helps prevent