Tusk Aluminum Lower Door Inserts Black. Tusk Aluminum Lower Door Inserts add a clean, finished look to your UTV and offer the benefit of creating a barrier between you and the outside world. These doors are made of strong aluminum and have a durable black powder coat finish. The door inserts are shaped to fit the body lines and contours of your UTV and mount to your OEM doors.A rubber trim seal is also provided to protect the edges and finish of the door inserts. When looking for parts and accessories for your motorcycle, ATV, or UTV, think TUSK! Tusk Aluminum Lower Door Inserts offer extra protection. Shaped to fit your specific machine. Mount to OEM doors and frame. Includes: Both lower door inserts and all necessary hardware and rubber trim.