The Yukon Master Overhaul Kit for GM 8.5" rear differentials with aftermarket Positraction supplies Timken carrier and pinion bearings and races, seals, a full shim kit, ring gear bolts, pinion nut and crush sleeve plus thread locker and marking compound. Tailored for 8.5" rear housings equipped with aftermarket posi units, it gathers the bearings, seals and installation hardware needed for a complete overhaul.
Yukon Gear Master Overhaul Kit For GM 8.5in Diff w/ Aftermarket Positraction