COMP Cams Ultra Pro Magnum XD Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.80 Ratio - Big Block Chevy 01215B Engine Cylinder Head

Engine Cylinder Head

13 oz Aerosol

NOTE: TIRELIEFS

1972-1974 American Motors Gremlin

1958-1959 GMC M300

COMP Cams Ultra Pro Magnum XD Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.80 Ratio - Big Block Chevy 01215B Engine Cylinder HeadThe next design evolution of the Hi Tech Stainless Steel Roller Rocker Arms are built to outlast and outperform in accuracy and strength. The Ultra Pro Magnum XD Rocker Arms are engineered from durable 8650 steel and include a machined billet pushrod seat insert for a wide range of super accurate ratios. A unique and wide ratio range to fit almost any popular application. These XD rockers are fully rebuildable and boast precision sorted needle