Scorpion Race Series Rocker Arm 7/16" Stud Mount 1.70 Ratio Full Roller - Big Block Chevy - Each YA0873 1964-1967 Checker Marathon

1964-1967 Checker Marathon

Includes notched float and jet extensions

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

1/4 in NPT Outlet / Return / Vent

2007-2009 GMC Sierra 1500 78

Scorpion Race Series Rocker Arm 7/16" Stud Mount 1.70 Ratio Full Roller - Big Block Chevy - Each YA0873 1964-1967 Checker MarathonProduct 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,