COMP Cams Ultra Pro Magnum XD Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.80 Ratio - Big Block Chevy (Set of 16) Axle Bearing Performer 351-4V

Performer 351-4V

Solves the problem of quick release fastener attachment rivets pulling out of fiberglass hood and body panels after repeated usage

8 AN Female O-Ring Inlet / Outlet

Spring Accelerator Pump

The kits come complete with all clamps and new stainless stand offs

COMP Cams Ultra Pro Magnum XD Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.80 Ratio - Big Block Chevy (Set of 16) Axle Bearing Performer 351-4VThe 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