Scorpion Race Series Rocker Arm 7/16" Stud Mount 1.70 Ratio Full Roller - Big Block Chevy - Each YA0873 Made from 6061 Plate and

Made from 6061 Plate and Completely Machine Radiased

654" long for use with Oldsmobile 455 with 1442-KIT rocker kit

Polished cast aluminum covers resist warping and leaking that is common with OE style stamped steel covers

Ford / Mercury 1964-70

Scorpion Race Series Rocker Arm 7/16" Stud Mount 1.70 Ratio Full Roller - Big Block Chevy - Each YA0873 Made from 6061 Plate andProduct Description: Rocker Arm Race Series 7 16 in Stud Mount 1. 70 Ratio Full Roller Aluminum Blue Anodized Big Block Chevy Sold Individually Scorpion is an authority in racing engine parts and the leading manufacturer of rockers in the U. S. Every product Scorpion makes is dyno tested and race proven before it is ever offered for sale to the public. The result of this is top quality race winning parts and very satisfied customers. Simply put,