Features & Benefits:
- Fits GM 8.5 in. Differential
- 28 spline
- Length 30.4375 in.
- Rear, 5 x 5 in. Bolt Pattern
- 2.25 in. OD Wheel Bearing
- Includes Wheel Bearing, Seal, Diff Cover Gasket, Studs, and Lug Nuts
Steel Properties
SAE Grade | Tensile Strength (psi) | Yield Strength (psi) |
1040 | 120,000 | 106,000 |
1050 | 162,000 | 146,000 |
1541H | 181,000 | 164,000 |
4340 | 228,000 | 210,000 |
Note: OEM axles are made from 1040 or 1050 steel. Tensile Strength refers to the point at which the material ruptures. Yield Strength refers to the point where the material takes on a noticeable, permanent deformation.
![](/Images/MoreInfo/support.png) USA Standard Gear Technical Support If you are having trouble choosing the correct USA Standard Gear part, or experiencing issues during or after installation of this part, USA Standard Gear's technicians are available to help answer your questions.
Phone: 1-866-748-0902 (M-F 6am-4pm PST)
Attention California Customers - WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
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