This Yukon Gear crush sleeve is specified for 2014-and-newer GM 9.76" 12-bolt rear differentials and measures 0.740" long to set pinion preload correctly. Yukon supplies a wide line of differential small parts for rebuild and maintenance; this sleeve functions as a pinion preload spacer for the GM 9.76" 12-bolt rear application where the stated length and fitment are required.
Yukon Gear Crush Sleeve for GM 9.76in Rear