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:00883584104995Shaft Length:31.8Shaft Material:SAE-4340 Nickel Chromoly SteelInboard Spline Quantity:30Bolt Circle Diameter:65.5California Proposition 65:NoLug Quantity:6Extended Information:Emissions :CARB EligibleLife Cycle Status:Available To OrderPackaging:Quantity of Each:1.0Package UOM:EADimension:32.0000 x 7.0000 x 7.0000 inchesWeight:23.5000 PG