Proform Full Roller Rocker Arm - 3/8 in Stud Mount - 1.60 Ratio - Blue Anodized - Small Block Chevy - Set of 16 UTV Communications Kits 1966-1974 Chevrolet El Camino

1966-1974 Chevrolet El Camino

1975-1977 Chevrolet P10

See 54039BUS for the upper shell

1988-1997 GMC C2500

Proform Full Roller Rocker Arm - 3/8 in Stud Mount - 1.60 Ratio - Blue Anodized - Small Block Chevy - Set of 16 UTV Communications Kits 1966-1974 Chevrolet El CaminoProform Extruded Aluminum Roller Rocker Arm 66908C 1. 6 Ratio 3 8 in. Stud Clamshell Package Precision machined Aluminum Lengthen Valve Train Component Life Reduce Wear On Valve Stem Tips Applications include: Bel Air, Biscayne, Blazer, Blazer K5, Brookwood, C10 Pickup, C10 Suburban, C15 Pickup, C15 Suburban, C15 C1500 Pickup, C15 C1500 Suburban, C1500 Pickup, C1500 Suburban, C20 Pickup, C20 Suburban, C25 Pickup, C25 Suburban, C25 C2500 Pickup, C25