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The Yukon USA Standard 4340 chromoly axle kit is a direct-replacement front axle set for 1971–1977 Ford Bronco applications using a Dana 44. Built from high-tensile 4340 chromoly with advanced heat treatment, it aims to provide long-lasting strength under load. Kit contents list a 30-spline 18.31" inner LH, 30-spline 27.94" inner RH, 19-spline 9.72" outer axles and 1310 series u-joints.
USA Standard 4340 Chrome-Moly Replacement Axle Kit For 71-77 Ford Bronco / Dana 44
