Made of excellent quality rubber material,it’s sturdy and durable in use. Width: 0.75 inch; Length: 29.25 inch; Driven torque-converters Item number: 203591-Q430203W. Yerf Dog: Q43103W Q43203W .Manco: 203591, 203591A, 203591B, 203591C. Kartco: 7655 The asymmetrical cog belt used on all Yerf-dog go-karts with Tecumseh engines and belt driven torque-converters Comet Belt fits Comet 30 Series Torque Converters for 3 to 8hp engines Product Description Product Description 100% Brand New, Never been used. The asymmetrical cog belt used on all Yerf-dog go-karts with Tecumseh engines and belt driven torque-converters Width: 0.75 inch Length: 29.25 inch Yerf Dog: Q43103W Q43203W Manco: 203591, 203591A, 203591B, 203591C Kartco: 7655 No installation included. Professional installation is highly recommended. Package Includes: 1x Belt