High Strength Chromoly and computer controlled heat treatment provide you the axle kit to get you and your Jeep home from the trail. We assemble our kits, saving you time and money. Left and Right Axles. Ready to bolt in. Over 50% stronger than stock! 4140 Chromoly Steel, 5 on 4.5 and 5 on 5.5 bolt circles included. Dual Heat Treat designed for strength and durability. Includes Left and Right Axle Shafts, Bearings, Seals, Wheel Studs and Retainers (other companies make you source your own, or cut apart your old axle assembly and re-use). 15 Year Warranty! No Tire Size Limits! Assembled, no press work needed. Bolt in!