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.Additional Attributes:GTIN:00883584216735Material:4340 Nickel Chromoly SteelSpline Quantity:19Axle Nut Included:NoTapered Shaft:NoCalifornia Proposition 65:NoExtended Information:Emissions :1Life Cycle Status:Available To OrderPackaging:Quantity of Each:1.0Package UOM:EADimension:10.0000 x 4.0000 x 3.0000 inchesWeight:5.0500 PG