The Kuryakyn 8746 clear trap door allows you to update your air cleaner with an entirely new look. The clear door design provides a look at the inner workings of the air cleaner and throttle body. Constructed of durable satterproof polycarbonate; trim ring is cast from quality aluminum. Includes (1) trim ring, (1) clear trap door, and (1) gasket; suggested for installation (not included): 1/8" hex key wrench. The Kuryakyn 8746 clear trap door is a direct replacement for the Kuryakyn Standard and Blood Groover Hypercharger air cleaners.