COMP Cams 1431-1 Magnum Roller Rocker Arm with 1.6 Ratio and 3/8" Stud Diameter for Ford Small Block Rail Type Engine 031508334212 13583923 CONNECTOR 4

COMP Cams 1431-1 Magnum Roller Rocker Arm with 1.6 Ratio and 3/8" Stud Diameter for Ford Small Block Rail Type Engine 031508334212 13583923 CONNECTOR 4Brand Comp Cams Model 1431 1 For Small Block ford applications, 3 8 inch stud, 1. 6 ratio Roller tip reduces friction while stiff design and superior ratio accuracy yields more effective valve lift 15 to 30 horsepower increase over stock rocker arms Use in any applications with less than 350 lbs. open spring pressure Made from 8620 chromemoly steel that will not flex These Magnum Roller Rocker Arms for Ford V8 289 351W (Rail Type) 1968 89 applications

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