Bolts directly to GM factory style hub flange. Comes with billet rotor hat and 13" willwood rotor.14" also availible for added cost* hubs subject to assembly lead times*7075 Billet Race Hub with Brake Rotor$2,650.00PriceSize*SelectQuantity*Add to CartSome Restrictions May ApplyAll products are subject to additional lead times and additional shipping charges. Produced By Outside SourceAll items that are produced by an outside source are not eligible for return or exchange.