COMP Cams Magnum Chromoly Roller Tip Rocker Arm - 3/8 in Stud Mount - 1.6 Ratio - Small Block Chevy (Set of 8) 4063 1977-1978 Chevrolet K30

1977-1978 Chevrolet K30

They reduce unsprung weight and react faster

GM Midsize SUV / Truck 1986-95

MSD Mag Clamp for #7908 7905

COMP Cams Magnum Chromoly Roller Tip Rocker Arm - 3/8 in Stud Mount - 1.6 Ratio - Small Block Chevy (Set of 8) 4063 1977-1978 Chevrolet K30These Magnum Roller Rocker Arms for Small Block Chevy 265 400 applications are the ultimate street rocker. With a 3 8" stud diameter and 1. 6 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