GM 8.5" 10-Bolt, 30-Spline, 1.625" Pinion, 1970-99, with Auburn or Eaton Posi. Kit includes everything to overhaul a dif-ferential, pinion bearings and shims, pin-ion seal, carrier bearings and shims, pilot bearing (where applicable), gear marking compound and brush, crush sleeve, pinion nut, loctite, cover gasket/RTV, and ring gear bolts.
- Differential Case Design Type:
- GM 8.5 in.
- Cover Bolts:
- 10
- Ring Gear Bolts:
- 10
- Pinion Spline Count:
- 30
- Ring Gear Rotation:
- Standard
- Axle Shaft Spline Quantity:
- N/A
- Head Bearing Included:
- Yes
- Tail Bearing Included:
- Yes
- Pinion Bearing Races Included:
- Yes
- Pinion Spacer Shims Included:
- Yes
- Crush Sleeve Included:
- Yes
- Pinion Seal Included:
- Yes
- Pinion Nut Included:
- Yes
- Carrier Bearings Included:
- Yes
- Carrier Bearing Diameter (in.):
- N/A
- Carrier Shims Included:
- Yes
- Ring Gear Bolts Included:
- Yes
- Axle Bearings Included:
- No
- Axle Seals Included:
- No
- Cover Gasket Included:
- Yes
- Axle Location:
- Rear
- Quantity:
- Sold as a kit.
- Notes:
- Due to a manufacturer shortage, Timken bearings may not be available for your current selection. Motive Gear is working to include equal or better quality bearings.