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This Yukon 4340 chromoly replacement axle kit includes inner and outer 4340 chromoly axles, Yukon Super Joints, Spicer u-joints and a vacuum-disconnect block-off kit. Built with cold-roll-formed splines and advanced heat treating for enhanced durability, it’s designed to fit Dana Spicer 30 front differentials in XJ, YJ and TJ Jeep models, providing a robust direct-replacement solution.
Yukon Gear 4340 Chrome-Moly Replacement Axle Kit For Jeep TJ / YJ & XJ Dana 30 / w/ Super Joints
