Yukon Chromoly Full Float Rear Axle for Dana 80, 37 Spline, 39.5 Cut to Length

Yukon Chromoly Full Float Rear Axle for Dana 80, 37 Spline, 39.5 Cut to Length. Yukon 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 axle of unmatched quality and durability.