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The Yukon 4340 chromoly axle kit is a front axle replacement built from high-tensile 4340 chromoly with cold-rolled splines and advanced heat treating for stronger-than-stock durability. This kit includes inner and outer axles plus Yukon Super Joints—two 19‑spline 9.72" outer axles and 30‑spline 18.31" LH and 30‑spline 27.94" RH inner axles for Dana Spicer 44 in 1971–1977 Ford Bronco applications.
Yukon Gear Dana 44 Chromoly Axle Kit Replacement
