Proform 66913C Extruded Aluminum Roller-Rocker Arm - High Performance Engine Part for Chevy, Ford, Dodge - Perfect for Racing, Hot Rod & Engine Rebuild Projects

Product Description

Extruded Aluminum Roller-Rocker Arm Chevy B/B1.7 Ratio 7/15 StudRid your engine of internal friction with roller-tipped rocker arms. The race-proven full needle bearing, fulcrum and roller tip not only unleash horsepower, but also lengthen valve train component life and reduce wear and tear on valve stem tips. Precision machined to insure consistency and ratio accuracy. Includes 16 extruded aluminum roller rockers and 16 poly locks.