Pay in 4 interest-free payments of $40.50 Learn more
Ships within 48 hours · Estimated delivery Aug 6 - Aug 11
550 Inch Outside Diameter
Easily dropped into position
Made From Quality Billet Aluminum
Accurately set end gap with the PROFORM powerful electric ring filing tool
And Hardware Included
Engine Roller Rocker Arm Set 1.6 Ratio 7/16 Stud HD Aluminum Fits SB Chevy Proform Proformparts 550 Inch Outside DiameterDesigned 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
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