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. 3.92 and up ratio only. Assembled in the USA. Fits Dana Spicer 44/Mahindra Roxor with OTR’s 30 spline axles. Forged case and 8620 internals for added strength. Works with a variety of air delivery systems.
Technical Notes: This unit is drilled for 7/16″ ring gear bolts. If you are using it in an application which has 3/8″ ring gear bolts, please purchase qty 10 of part number YSPBLT-027 (33056) to sleeve the ring gear bolts. Includes new carrier bearings.