Yukon Gear & Axle Dana 30, 27 Spline, 3.73 & Up Gear Ratio Zip Locker - YZLD30-4-27
Fits Dana Spicer 30 with 27 spline axles;3.73 and up ratio only;Forged case and 8620 internals for added strength;Works with a variety of air delivery systems;Assembled in the USA;Notes: This unit is drilled for 7/16 inch ring gear bolts. If you are using it in an application which has 3/8 inch ring gear bolts, please purchase qty 10 of part number YSPBLT-027 to sleeve the ring gear bolts; Requires SK 30214 carrier shims. Includes new carrier bearings.;California Residents: WARNING 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.