Yukon Gear & Axle YA W24162 Axle KitAxle Kit Axle Kit; Dana 30 Reverse; Replacement 30 Spline 4340 Chrome Moly; Dana 30; w Super Joints; SPECIFICATIONS: Position: Rear WARNING CA Proposition 65: No FEATURES: Fits Dana Spicer 30 In XJ; YJ And TJ Includes Inner And Outer 4340 Chromoly Axles And Yukon Super Joints 30 Spline Inner And 27 Spline Outer Yukon high performance axles are built with high tensile strength 4340 chromoly, use superior production methods that include cold roll formed