Bassett Racing Wheels has developed a mud plug to meet the 2018 rules for IMCA, Wissota, and UMP. This mud plug is made from proprietary plastic with a stepped design with edge to edge wheel coverage. Thicker material designed for racing and built to withstand heavy dirt cushions and hard impacts. No longer do you have to worry about getting mud packed in your wheels and slowing you down. This mud plug also protects the beadlock bolt heads when wheel-to-wheel contact happens during racing. Mud Cover Fastener type – includes three 1/4"-20 dog point body bolts fitted with ¾” washers (replacement part # 910-06101) No slotted holes - prevents bolt head/washer from pulling through and keeps the cover on your wheel. Mud Cover is interchangeable between Bassett non-beadlock wheel and beadlock wheel. Available in 10 colors (color-matched to MD3 valance and rocker panels) Available in Black, Blue, Red, Yellow, Orange, White, Fluorescent Red, Fluorescent Yellow, Fluorescent Orange, Fluorescent.