COMP Cams Ultra Pro Magnum Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.70 Ratio - Big Block Chevy (Set of 16) Clutch RPM Sensor In applications such as off-road

In applications such as off-road

Chrome Plated Shaft

Quick Fuel

For use with the typical hydraulic floor jack that has a removable pad with a 1-3/8" center hold

COMP Cams Ultra Pro Magnum Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.70 Ratio - Big Block Chevy (Set of 16) Clutch RPM Sensor In applications such as off-roadThe 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