Engine Roller Rocker Arm Set 1.6 Ratio 3/8 Stud HD Aluminum Fits SB Chevy Clamshell Pack Proform Engine Rocker Arm and consumption leads to a

and consumption leads to a carefully managed mathematical equation that can pay off big time in the end

Modifies Small Block Chevy Cylinder Heads for 1

Quickly measure everything from diameter

Includes two expandable platforms for pulling

This Model Comes Complete With A Rubber Gauge Protector

Engine Roller Rocker Arm Set 1.6 Ratio 3/8 Stud HD Aluminum Fits SB Chevy Clamshell Pack Proform Engine Rocker Arm and consumption leads to aDesigned for up to 10,000 RPM. This heavy duty design features an oversized body and fulcrum with a triangulated profile for additional rigidity and strength. Accommodates most oversized valve springs. American made roller bearings are in self contained bearing cups for extra low friction wear. Each set includes 16 extruded aluminum roller rockers and 16 poly locks. If you would like to order a single roller rocker, please use your applicable part