COMP Cams Ultra Pro Magnum XD Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.60 Ratio - Small Block Ford 51100 1980-1980 Ford E-100 Econoline

1980-1980 Ford E-100 Econoline

1959-1965 Fargo F100 Panel Delivery

Aggressive and Bold Race Styling

3/4 in OD to 5/8 in ID

heat treated socket with greater entry angle provides smoothe

COMP Cams Ultra Pro Magnum XD Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.60 Ratio - Small Block Ford 51100 1980-1980 Ford E-100 EconolineThe 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