Chromoly Outer Front For Dana 60 33 Spline 7.05 Long D60 7.05 Inch Outer Stub Shaft Dodge Front 4340 33 Spline 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