Revolution Gear and Axle Discovery Series 4340 Chromoly Rear Axle Kit, fits 2007-18 Jeep Wrangler JK Non-Rubicon Sport and Sahara Models with Dana 44 rear axle and upgraded 35 Spline Axles. Rear axles feature 5×5 and 5×5.5 Bolt Patterns. This Revolution Gear and Axle Rear Axle Kit ships with bearings, seals and retainers pressed together and ready to install. And includes Qty10 Wheel Studs (Not Installed). Fits:Jeep Wrangler JK 2 Door (2007-2018)Jeep Wrangler JK 4 Door Unlimited (2007-2018)