This hub fits 1979-1988 mid-size (Metric) Monte Carlo spindles. Made from billet steel. Features an integral rotor mount. Uses stock bearings, races, seal, axle nut, washer and dust cap. Hub has both 5 x 5” and 5 x 4-3/4” bolt patterns with 5/8” coarse or 5/8” fine studs. Hub includes studs only (No races). Custom stud pattern available at extra charge. Available with wider track. All parts sold separately. Note: 79 and earlier uses smaller BR2 outer bearing and race kit. 80 or newer uses larger BR3 outer bearing and race kit.