The Currie CE-0012 Performance axle package for use in the Performance 9" Ford rearend upgrade for the '05 and up Mustang. Axles are machined to accept the factory disc brakes for the vehicle, and Mustang ABS reluctor wheels for the factory ABS system are installed. Parts included in this kit are the 2 forged alloy 31 spline axle shafts, large "Set 20" tapered roller axle bearings, axle seals, 1/4" thick heavy duty bearing retainer plates, and the Currie standard 1/2"-20 wheel studs. Sold as a set (pair) of axles and all hardware. Use with the CE-7015 or CE-7015H housing, and the CE-7015B-C caliper brackets. Available optionally are 1/2"-20 x 3" long wheel studs, as well as 33, 35, and 40 spline axles. Contact your salesman for further details about these options.