D44, 4140 Chromoly Discovery series 30 Spline Rear Axle Kit for XJ Drum Brakes. All Revolution Rear Axle Kits come with the Bearings seals and retainers 100 Percent pressed together and ready to install and are backed by a 10 year warranty. Warranty covers axle shaft only. Small parts must be purchased separately. (Note: wheel studs are included in kit but not installed into the axles for safer transport. Install studs using red Loctite and torque to 90Ft-Lbs)