Popular 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. This is a 30 series asymmetrical flat on one side and angled on the other. length 27 1/32" width 3/4" center to center spacing for the driver and driven pulley needs to be between 6 5/8" and 6 11/16".