Driven unit: 7″ (5/8″ driven pulley) Drive clutch bore: 19mm (3/4″) Driven Clutch replaces Manco 5957, Comet 203814 / 219552 Driver Cluth replace 219457 Fitment: Fits Yerf-Dog karts with Tecumseh Description: — 100% Brand New,never been used — Driven unit: 7″ (5/8″ driven pulley) — Drive clutch bore: 19mm (3/4″) — Driven Clutch replaces Manco 5957, Comet 203814 / 219552 — Driver Cluth replace 219457– 203591 Belt– Professional installation is highly recommended — No Instruction Included Fitment: — Fits Yerf-Dog karts with Tecumseh Package includes: — 1X Driver 3/4″ — 1X Driven 5/8″ BORE (7″ Diameter) — 1X Asymmetrical Belt 203591 — 1X Crankshaft Bolt and Lock Washer — as pictures show