COMP Cams Ultra Pro Magnum Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.60 Ratio - Small Block Chevy (Set of 16) 016440NRNR and heat extremes for longer

and heat extremes for longer life and great looks

The pre-drilled aluminum frame measures 7 1/2" by 5 1/2" and features snaps to secure the boot onto the base

An innovative

000 RPM when used with 8364 MSD HEI Module

650" long Hi-Tech 5/16" diameter pushrods handle the requirements of today's all-out race engines

COMP Cams Ultra Pro Magnum Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.60 Ratio - Small Block Chevy (Set of 16) 016440NRNR and heat extremes for longerThe Ultra Pro Magnum Roller Rocker Arms for Chevy V8 265 400 applications not only live up to the lofty standards of the original Pro Magnums, but they also take stud mount rocker performance, stability and value to a whole new level. These rocker arms feature a 7 16" stud diameter and 1. 6 ratio. The 8650 chromemoly material and arched, web like design deliver increased strength and rigidity while still reducing the moment of inertia and optimizing