Chromoly Rear Kit Dana 44 Jeep JK Non-Rubicon 35 Spline 32 Long D44 Aftermarket 35 Spline JK Non-Rubicon 4340 Rear Kit Left Hand Or Right Hand 32 Inch Long Yukon Gear & AxleYukon performance axles are built with high tensile strength 4340 chromoly, use superior production methods that include cold roll formed splines, and feature advanced heat treating to create an axle of unmatched quality and durability. Yukon high performance axles are built with high tensile strength 4340 chromoly, use superior production methods that include cold roll formed splines, and feature advanced induction coil heat treating to create an