Pinion nut for GM 12 bolt car & truck, 55-62 car & truck, 8.2", 8.2" Buick/Olds/Pontiac & 63-79 Corvette. 1 1/8" socket, 7/8" x 16 thread.
Product Features:- Pinion nut for GM 12 bolt car and truck, 8.2", 8.2" Buick, Oldsmobile and Pontiac and 1963-1979 Corvette
- 7/8" x 16 thread
- 1 1/8" socket