Yukon Zip locker for Toyota 8" 4 cylinder

* Fits Toyota 8" with 4 cylinder engine * Forged case and 8620 internals for added strength * Works with a variety of air delivery systems * Assembled in the USA 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.