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. Stepping up to our Tera44 HD Front Axle Housing w/ Ring & Pinion & ARB Locker provides a choice of pre-installed ring and pinon gears, ARB air locker, and TeraFlex HD Ball Joints. Transfer your outer stub shafts, outer knuckles, and outer axle assembly (unit bearings, brakes, sensors) to make a complete axle assembly. Requires new inner axle shafts