Features: New Drive Belt replaces for Drive Belt 30 Series The go-kart drive belt used on most Manco, American Sportworks and Ken-bar Karts with 5hp-7hp engines Also used on the Comet TAV2 bolt on torque-a-verter kit Center to center spacing for the driver and driven pulley needs to be between 6 5/8 inch and 6 11/16 inch