The Yukon Master Overhaul Kit for 8.5" Oldsmobile applications with 31-spline axles supplies Timken carrier and pinion bearings and races, seals, a complete shim kit, ring gear bolts, pinion nut and crush sleeve plus thread locker and marking compound. Packaged to support Oldsmobile 8.5" rebuilds with 31-spline axles, the kit gathers the bearings, seals and small hardware necessary to complete the job.
Yukon Gear Master Overhaul Kit For GM 8.5in Diff For Oldsmobile 442 and Cutlass. 31 Spline