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.
3.54 and up ratio only
Assembled in the USA
Fits AMC Model 35 with 3 spline axles
Forged case and 8620 internals for added strength
Works with a variety of air delivery systems
Technical Notes: Includes carrier bearings