COMP Cams Ultra Pro Magnum XD Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.80 Ratio - Big Block Chevy EXT-ANT-KIT-VHF-ABH lightweight flow-molded carbon fiber composite

lightweight flow-molded carbon fiber composite enclosure

For over 80 years

1968-1968 GMC G15/G1500 Van

Fuel Cell and Pump

COMP Cams Ultra Pro Magnum XD Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.80 Ratio - Big Block Chevy EXT-ANT-KIT-VHF-ABH lightweight flow-molded carbon fiber compositeThe 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