The Yukon USA Standard 4340 chromoly axle kit is a direct-replacement front axle set for Jeep TJ Rubicon applications with a Dana 44 differential. Manufactured from high-tensile 4340 chromoly and heat-treated for durability, it supplies heavy-duty axle strength. Kit contents include two 27-spline 6.11" outer axles, a 30-spline 31.84" inner RH and a 30-spline 16.96" inner LH, plus 1310 series u-joints.
USA Standard 4340 Chrome-Moly Replacement Axle Kit For Jeep TJ Rubicon / Dana 44