Designed 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.
- Engine Roller Rocker Arm Set
- 1.6 Ratio 7/16 Stud
- Heavy-Duty Extruded Aluminum Type With Needle Bearing Trunions
- Fits Small Block Chevy
- Blue Anodized Finish
- Use With A Max Spring Diam. Of 1.400 Inches
- Poly Locks Included
- Set of 16 Pcs
The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
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Proform Engine Roller Rocker Arm Set, 1.6 Ratio 7/16 Stud, HD Aluminum , Fits SB Chevy 66931C: