Yukon Gear & Axle Differential 34021
The Yukon Zip Locker is the latest in on-demand traction. Its air-operated design allows you to switch from an open differential to 100% lockup when you need it, giving you the ultimate in driver selectability.
- 4.10 and down ratio only
- Fits Dana Spicer 60 with 30 spline axles
- Forged case and 8620 internals for added strength
- Assembled in the USA
- Works with a variety of air delivery systems