Chromoly Rear Kit For Dana 35 Jeep JL 29 Spline 32.3 Long D35 JL 29 Spline 4340 Rear Kit 32.3 Inch Left Hand Or Right Hand Double Drilled 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