This Yukon Gear & Axle pinion nut fits a range of GM applications—GM 12-bolt car/truck, certain 1955–1962 car/truck assemblies, 8.2" Buick/Olds/Pontiac units and 1963–1979 Corvette differentials—specified with 7/8" x 16 thread and a 1 1/8" socket. It’s offered as a service replacement nut for period-correct and classic GM drivetrains when pinion hardware requires renewal. Yukon supplies matching small parts for rebuilds.
Yukon Gear Pinion Nut