The unloaded Tera60 HD Front Axle Assembly w/ Locking Hub includes SlimLock Hub Kit, Super 60 bearings, inner and outer axle shafts, knuckle assembly, ball joints, brakes, and sensors. Add your choice of ring and pinion gear ratio, locker, and carrier. TeraFlex HD Front Axle Housings are perfect for replacing bent, broken, or damaged axles in JK Wrangler/Unlimited vehicles including Rubicon models. Can also be used as a direct bolt-on upgrade for Jeep owners looking to beef up the stock axles� weak areas. Tera60 HD Front Axle Housings are the ultimate upgrade for JK models requiring maximum suspension up travel and compression. Compatible with all Super 60 gear ratios for extreme duty applications requiring additional ring and pinion strength. Our heavy-duty axle housings feature smooth profile surfaces, axle tubes, all necessary mount brackets, control arm bushings, forged inner knuckles, and more!