COMP Cams Ultra Pro Magnum Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.70 Ratio - Big Block Chevy (Set of 16) 2010213 see 128005

see 128005

2008 partial year

Front Compartment

Flow and Power

O-Ring Style To Prevent Leaks (o-ring included)

COMP Cams Ultra Pro Magnum Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.70 Ratio - Big Block Chevy (Set of 16) 2010213 see 128005The Ultra Pro Magnum Roller Rocker Arms for Chevy V8 396 454 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. 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