Meet the ultimate traction kit for your ride! It combines the unrivaled grip of a Yukon Grizzly Locker and the next-level toughness of USA Standard Gear chromoly axles. Everything about the Yukon Grizzly Locker is hardcore, its casing and gears, its advanced gear tooth design, and its impact on traction and performance. The Yukon Grizzly Locker is a mechanical positive-locking differential that's engineered for rock crawling, serious trail running, off-road racing, and drag racing. The unit provides 100% power to both tires, while still allowing for disengagement while negotiating turns. USA Standard Gear performance axles are constructed from high-tensile strength 4340 chromoly, use superior manufacturing methods, and feature advanced heat-treating technologies to create an axle of unparalleled quality and durability.
Features & Benefits:
- Fits Dana 30 front differential
- Includes two 27 spline, 6.11" outer axles
- Includes 30 spline, 16.6" inner axle
- Includes 30 spline, 32.28" inner axle
- Includes a 3.73-and-up gear ratio Yukon Grizzly Locker
- Includes Yukon Vacuum Disconnect Block-Off Kit
- Features heavy duty 4340 chromoly axles
- Includes Super Joints and hardware
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/doc.png) Additional Resources Torque Specifications & Installation Instructions
![](/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 - Not Applicable
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