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The Yukon 4340 chromoly axle and Grizzly Locker kit combines heavy-duty 4340 chromoly axles with a Yukon Grizzly Locker and the associated hardware for Dana 30 front differentials. It includes inner and outer axles, Spicer u-joints, carrier bearings and races, and a Yukon vacuum disconnect block-off kit; the locker supports 3.73-and-up gear ratios and the kit fits XJ, YJ and TJ Dana 30 applications with 30‑spline inners and 27‑spline outers.
Yukon Gear 30 Spline 4340 Chrome-Moly Axle & Grizzly Locker Kit For Jeep TJ / XJ / YJ & Zj
