The Yukon USA Standard 4340 chromoly axle kit is a direct-replacement front axle set for Ford Bronco and F150 applications that use a Dana 44 differential. Manufactured from high-tensile 4340 chromoly with advanced heat treatment, it supports demanding driving conditions. Included are a 30-spline 18.91" inner LH, 30-spline 33.91" inner RH, 19-spline 9.72" outer axles and 1310 series u-joints.
USA Standard 4340 Chrome-Moly Replacement Axle Kit For Ford Bronco & F150 / Dana 44