COMP Cams Magnum Chromoly Roller Tip Rocker Arm - 7/16 in Stud Mount - 1.72 Ratio - Big Block Chevy Metal Polishing Kit Dynamic Flow Matched within 1%

Dynamic Flow Matched within 1%

180 / 135 Degree Plug Boots

Dirt Sprint Car

Supplied with sealing / tensioning O-ring to keep them from unscrewing

set the stage for innovation in the automotive aftermarket

COMP Cams Magnum Chromoly Roller Tip Rocker Arm - 7/16 in Stud Mount - 1.72 Ratio - Big Block Chevy Metal Polishing Kit Dynamic Flow Matched within 1%These Magnum Roller Rocker Arms for Big Block Chevy 396 454 applications are the ultimate street rocker. With a 7 16" stud diameter and 1. 72 ratio, they are designed for serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed from 8620 chromemoly steel, which is a superior material that will not flex and assures maximum lift. Their roller tip reduces friction, while stiff design and superior ratio accuracy yield more effective