NDZ Performance Billet Aluminum A-Arm Plugs for Arctic Cat Sleds. Make your sled more reliable and add some flash as well. High luster powder coat finish, heat treated for a garunteed shiny coat that will last the elements. This plugs the A-Arm hole, giving it a clean look and preventing and build up of debris that could lead to rust. Comes with 2 o-rings for a secure, press-in installation. Installs in seconds, and gives your sled a custom trick look. If the A-arm plug area is cut square, these will fit. Any angle cust holes, these will not work. Proudly made in the USA, here in our facilities.