USA Standard Gear Master Overhaul Kit for Oldsmobile 442/Cutlass 28-Spline 8.5 Diff

USA Standard Gear ★ 4.1/5 · ItemOracle Score Premium

$146 USD
Price subject to change
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USA Standard Gear (ZK GM8.5OLDS-28) Master Overhaul Kit for Oldsmobile 442/Cutlass 28-Spline 8.5 Differential

Overhaul kit with bearings, races, seals, and a complete shim set for 8.5 differential. Includes carrier and pinion components for confident installation. Customers highlight kit contents and quality, with mixed feedback on fit and some seal/shim concerns

Highlights

  • Koyo bearings and races included
  • complete overhaul kit contents
  • designed for 28-spline 8.5 diffs

Pros

  • includes bearing and race set
  • carrier and pinion components included
  • complete shim kit
  • quality and kit contents praised by some customers

Cons

  • mixed feedback on fit for certain vehicles
  • some reports of missing inner axle seals
  • shim quantity concerns

Best For

  • restoring 8.5 differential in classic cars
  • replacing worn differential components in 28-spline setups
  • kit-based overhaul for Oldsmobile 442/Cutlass models
  • revenue-friendly rebuild with included bearings and races
  • vehicle maintenance on rear differential assemblies

Features

  • Master Overhaul Kit includes carrier bearings and races for Olds 442/Cutlass 28-spline 8.5 differential
  • Kit provides pinion bearings, races, pinion seal, and complete shim kit
  • Crush sleeve included when applicable with oil baffles and slingers as applicable
  • Rings bolts are included to secure ring gear during installation

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