The Hendrickson 6-3/4" Oil Bolt-On Hub Cap is the perfect solution for reducing rolling resistance and leading to improved fuel efficiency. The bolt-on design of the hub cap ensures that it is securely fastened to the hub, providing a reliable and durable connection. The hub cap is designed specifically to fit a 6-3/4" hub bore, making it the perfect choice for your vehicle. FleetPride is your First Click in Heavy Duty®.