The Yukon Gear & Axle pinion nut is supplied for GM and Chrysler 11.5" differentials, provided as a 12-point, 36mm-socket-style nut for correct reassembly where that size is used. It serves as a replacement fastener for pinion installations on those 11.5" housings during service or rebuilds. Yukon’s small-parts offering complements this nut with related washers and hardware for finishing axle work.
Yukon Gear 11.5in GM & Chrysler Pinion Nut