The Driven Clutch and Belt fit for Horizontal Engines with 1″ Straight Shaft, 8-18HP, within 1600-3300 RPM Engagement Range. BLAST LED Torque Converter is compatible on most small engines with horizontal shaft. Including for Briggs, for Robin, for Tecumseh, for Honda (and clones), for Kohler, for Clinton, for Lifan. Driven Clutch is 3/4″ Bore 3/16″. Reference OEM Numbers: Comet 209133A, Comet 209133. BUILT-IN-KEY 3/16″ THAT CAN NOT BE REMOVED. The Belt is 7/8″ wide, 33.8″ cogged. The outer circumference is 33 7/8″. Reference OEM Numbers: Comet 203785A, Comet 203785, Manco 12346. Package includes 1 x Driven Clutch + 1 x Belt. All parts are 100% brand new, never mounted. Fitment: The Driven Clutch and Belt fit for Horizontal Engines with 1″ Straight Shaft, 8-18HP, within the 1600-3300 RPM Engagement Range. BLAST LED Torque Converter is compatible on most small engines with horizontal shaft. Including for Briggs, for Robin, for Tecumseh, for Honda (and clones), for Kohler,