Gm 8.6 2007 & Up Chev W/Abs 30 Spline 34.25 Inch ( Abs Ring Not Included) . USA Standard GearGM 8. 6 2007 & Up Chev w ABS 30Spline 34. 25 ( ABS Ring Not Included) . 34 1 4 long 6 lug 30 spline Fits 2007 and up GM half ton truck with four wheel drive Features and Benefits: 34 1 4 inch long 6 lug 30 spline Fits 2007 and up GM half ton truck with four wheel drive Details: AAP UDA 4: 50 Axle Nut Included: No Bearing Inside Diameter: 1. 62 Cv Joints Included: No Inboard Spline Quantity: 30 Lug Quantity: 6 Retainer Included: no Rust Resistant