COMP Cams Ultra Pro Magnum XD Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.60 Ratio - Small Block Chevy (Set of 16) R09P0034XL GMC: Sierra 2500 HD Classic

GMC: Sierra 2500 HD Classic 07 - 07 6 L Engine

RAM’s performance single disc street clutch kits

1981-1990 GMC P3500

Vehicle Applications: 1968-1969 Oldsmobile 442 CID 400

COMP Cams Ultra Pro Magnum XD Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.60 Ratio - Small Block Chevy (Set of 16) R09P0034XL GMC: Sierra 2500 HD ClassicThe 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