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 Increased Capacity System Capacity (1qt

Increased Capacity System Capacity (1qt increase)

supplying enthusiasts and racers what they need…

AVS2 or Performer Series 650-800 cfm

Ford Fullsize Truck 2011-13

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 Increased Capacity System Capacity (1qtThe 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