COMP Cams Ultra Pro Magnum Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.60 Ratio - Small Block Chevy (Set of 16) 11-694-8 The button assembly does not

The button assembly does not allow the cam to "walk" forward

Fine Spline

Kits provide additional clearance needed for belt or gear drive timing systems

1973-1974 Chevrolet C30 Pickup 2 Door Standard Cab Pickup

COMP Cams Ultra Pro Magnum Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.60 Ratio - Small Block Chevy (Set of 16) 11-694-8 The button assembly does notThe 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