This kit converts the stock GM six-lug bolt pattern to a five-lug design will added the traction of a USA Standard Dura Grip positraction limited slip differential, new axles, and new drum brake assemblies.
Features & Benefits:
Fits GM 12T rear differential
3.42-and-down gear ratio
Kit includes, Dura Grip LSD, axles, and drum brake assemblies
30 spline
30.75” axle length
Converts to five-lug hub
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.
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 - Not Applicable
USA STANDARD GEAR Warranty Information:12 MonthsWarranty Details
USA Standard Gear Technical Support