COMP Cams Ultra Pro Magnum Chromoly Roller Rocker Arm - 3/8 in Stud Mount - 1.60 Ratio - Small Block Chevy / GM V6 Quick Time Performance 2-1/4 in Center Outlet

2-1/4 in Center Outlet

Newly redesigned with a internal bypass valve

trussed design

Fixed pressure at 58 psi

COMP Cams Ultra Pro Magnum Chromoly Roller Rocker Arm - 3/8 in Stud Mount - 1.60 Ratio - Small Block Chevy / GM V6 Quick Time Performance 2-1/4 in Center OutletThe Ultra Pro Magnum Roller Rocker Arms for Chevy V8 265 400 applications take stud mount rocker performance, stability and value to a whole new level. These rocker arms feature a 3 8" 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 the dynamic balance. A unique black oxide exterior finish helps prevent corrosion and