Chromoly Inner Front Dana 44 32 Spline Right Hand 34.7 Long Fad Delete D44 JL & Jt Rubicon 32 Spline Right Hand Inner 34.7 Inch 4340 Fad Delete 1350 Series 7166 Joint M210 Wide Tra Yukon Gear & AxleYukon high performance axles are built with high strength 4340 chromoly, use superior production methods that include cold roll formed splines, and feature induction coil 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