Chromoly Inner Front For Chrylser 9.25 33 Spline Left Hand 19.6 Long 9.25 19.6 Inch Chy Front Inner Left Hand 03-09 Dodge RAM 4340 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