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.
Fits Dana Spicer 44 with 30 spline axles
3.92 and up ratio only
Forged case and 8620 internals for added strength
Works with a variety of air delivery systems
Assembled in the USA