Ford F-150 FX4 FX-4 Off Road Receiver Hitch Cover Black Red Silver Engraving High-End Made in the USA - Official Ford Licensed Product - FX4 Black and Red fill with Silver (Aluminum Engraving) Receiver Hitch Plug Cover. Go ahead, proudly install this FX4 Receiver Hitch Plug Cover that is made from a strong plastic so it will not vibrate (Setting off your engine knock sensor, causing loss in power), Features a Solid Aluminum, Black Finished Hand Engraved Licensed Logo, Epoxy filled Clear Resign (Not Paint) then baked overnight to give you years of service that a FX4 Truck should have. Applications: Ford FX4 Truck Proud Owners with 2" Plug. Canbe used with or with-out locking pin installed. High-End-Motorsports, "Where Quality and Value Meet!"