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The Yukon 4340 chromoly axle kit is a Dana 44 front axle replacement made from heavy-duty 4340 chromoly with cold-rolled splines and heat-treated for durability. It includes inner and outer axles and Spicer u-joints—two 19‑spline 9.94" outer axles plus 30‑spline 33.19" LH and 30‑spline 14.78" RH inner axles—configured for 1974–1979 Wagoneer applications with disc brakes.
Yukon Gear Front 4340 Chrome-Moly Axle Replacement Kit For 74-79 Wagoneer (Disc Brakes)
