The belt drive kit for Harley Davidson Flathead models from 1936 to 1952 offers a robust and durable solution for the drive. It includes a 1 1/2 -inch wide strap with a tooth spacing of 11 mm, which ensures optimal power transmission and low wear. The installation is carried out in the primary housing, with a tension roller for the correct tension of the strap. The kit includes a drive wheel with 31 teeth and a clutch basket with 47 teeth that together offer improved performance and reliability.