Engine Roller Rocker Arm Set 1.5 Ratio 7/16 Stud HD Aluminum Fits SB Chevy Clamshell Pack Proform Ignition Coil Mounting Bracket tighten the knob to lock

tighten the knob to lock the inside measurement

when necessary

Includes Blue Vinyl Carrying Case

3/8-16 Inch x 3/4 Inch Long

Engine Roller Rocker Arm Set 1.5 Ratio 7/16 Stud HD Aluminum Fits SB Chevy Clamshell Pack Proform Ignition Coil Mounting Bracket tighten the knob to lockDesigned 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