USA Standard Master Overhaul kit for the GM 8.5 differential
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ZK GM8.5   [37055]

USA Standard Master Overhaul kit for the GM 8.5 differential

USA Standard Master Overhaul kits let you finish your install with confidence.
  • Fits GM 8.5" rear
  • Uses Koyo bearings and races
  • Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker, marking compound with brush and gasket.
1 year warranty against Manufacturer defects

Compatible with Differentials:

Compatible with Make / Model:

Diff Wizard