Wheel Center Cap - 3.625 in OD - Bolt-On - Aluminum - Chrome - Each. -Since 1956, American Racing Wheels has been a leading producer of custom wheels with a wide range of aftermarket and custom street car applications for vast range of vehicles. American Racing Wheels product categories include Torq Thrust, AR Forged, Heritage, Modern, ATX Series, and Heavy Truck Wheels. They also offer accessories such as center caps and hubs to complement their wheels.