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. Our Bare HD Front Axle Housings feature a heavy-duty housing with axle tubes, bracketry, and forged inner knuckles as well as pre-installed inner seals and upper control arm bushings. Transfer your existing outer components (stub shafts, knuckle assembly, ball joints, unit bearings, brakes, sensors) to the new housing! Requires new differential, ring and pinion, inner axle shafts, and bearings and install kit.