Race Series Aluminium Roller Rocker, Single 7/16" Stud Mount - 1.8 Rat Product Option:Race Series Aluminium Roller Rocker, Single 7/16" Stud Mount - 1.8 Ratio Hex Headfits Holden 253-304-308

Hex Headfits Holden 253-304-308

Top End rev Limiter

Competition S/S Exhaust ValveSuit Ford 351C 11/32" X 1

Open: 949 @ 1

2620000101

Race Series Aluminium Roller Rocker, Single 7/16" Stud Mount - 1.8 Rat Product Option:Race Series Aluminium Roller Rocker, Single 7/16" Stud Mount - 1.8 Ratio Hex Headfits Holden 253-304-308Scorpion Performance is the leading manufacturer of rocker arms that are 100% manufactured and assembled in the U. S. A. These Rockers are lightweight, assuring even greater horsepower, and they are the quietest rocker on the market. They are the only Direct Bolt on rockers in production. This means no changing of pushrods, guideplates, rocker studs or valve covers are required. Needle Bearing Fulcrum and Roller Tip, Centerless Ground Trunnion,