Shovelhead roller rocker arm set

ROLLER ROCKER ARMS
66-84 SHOVELHEAD

• Cast from 4340 heat-treated chromoly steel.

• Reduce friction in the valve train, providing more horsepower and less heat in the top end.

• Include 660 bronze bushing fit to 0,0007” - 0,0012” for the best wear resistance and oil control.

• Roller tip made from bearing-grade material to reduce valve guide wear and valve tip galling.

• Segmented parabolic pushrod cup reduces friction at pushrod ends, while putting the load on the outer perimeter of pushrod ends, with full oil pressure at pushrod tip.

• Designed to work in conjunction with other valve train, stock and stock like, components.

• Use Rocker Arm Shafts ABS partnumber 021125.

• Set includes two each front and rear rocker arms.