55-85 C1 C2 C3 C4 Rocker Arms Roller Tip Small Block Magnum

Corvette Rocker Arms, Roller Tip, Small Block, Magnum, Competition Cams', 1955-1985

Dyno Proven 20 Horsepower Gains
Reduces Valve Stem & Guide Wear
Made From 8620 Chromemoly Steel That Will Not Flex
1:52 Ratio
Used On Cylinder Heads With Screw-In Studs & Guide Plates Only
Competition Cams' unique forge-cast roller tip design reduces friction. As a result it has been dyno tested to produce 15-20 horsepower increases and it makes valve stems and guides last longer. Magnum Rockers fit all 55-85 small block engines (1.52 rocker ratio). Each rocker is supplied with a rocker ball and lock nut. Set of 16.

SPECIAL NOTE: For cylinder heads with press in studs, machine work to install screw in studs and guide plates is required.