This billet aluminum hub is designed to fit the mid size Monte Carlo and similar spindles. It is available with 5 x 5" or 5 x 4 3/4" bolt patterns with 5/8" coarse or fine thread studs. It features a bolt-on brake rotor that uses the stock brake caliper. This hub uses stock bearings, races and dust cap. Weighs only 4.60 lbs. Bearings, races, dust cap, axle nuts, washers, rotors and or rotor plates all sold separately.