Proform 66907 Extruded Aluminum Roller-Rocker Arm, 1.5 Ratio, 3/8" Stud 883584360193 Constructed durabbly from wood in

Constructed durabbly from wood in asg gray finish

Simply slide the die-cast metal cap up the hanger for quick

and separately

Product Dimension: L18" W55

Proform 66907 Extruded Aluminum Roller-Rocker Arm, 1.5 Ratio, 3/8" Stud 883584360193 Constructed durabbly from wood inDesigned for select Chevrolet Small Block Engines 1. 5 Ratio for 3 8" studs Full needle bearing fulcrum and roller tip Reduces internal valve train friction 16 extruded aluminum roller rockers and 16 poly locks. Proform extruded aluminum roller rocker arm has a 1. 5 ratio, 3 8" stud and fits select Chevy small block engines. Reduces internal valve train friction and valve stem wear. Full needle bearing, fulcrum and roller tip unleash horsepower. 16