COMP Cams Ultra Gold ARC Aluminum Roller Rocker Arm - 7/16 in Stud Mount - 1.70 Ratio - Gold - Big Block Chevy CK02421 Flexplate Shim

Flexplate Shim

use optional bracket kit #70499

There is a boost pressure port to connect to your manifold and the BTM wires easily to the MSD Ignition Control

Single 4-Barrel To Dual

COMP Cams Ultra Gold ARC Aluminum Roller Rocker Arm - 7/16 in Stud Mount - 1.70 Ratio - Gold - Big Block Chevy CK02421 Flexplate ShimThese 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