SpecificationsSystem: TAV2 30 SeriesMaterial: Iron + AluminumDriver Unit: 1″(25.4 mm), 1/4 KeyDriven Unit: Diameter 6″ (5/8″ Driven Pulley)10 Tooth Sprocket: Fit #40/41/420 Chain12 Tooth Sprocket: Fit #35 ChainDriven Belt: Top Width 3/4″Engagement Range: 2350??200 RPMRecommend Engine: 2HP – 8HP (6HP-6.5HP is the most suitable horsepower)Replace Part Number: Comet 218353A, 219552A, 219456A, 217610A, 203814A, TAV2 30-75, Yelf Dog Drive Unit Q43201Wgo kart torque converter,10T #40/41 12T #35,Comet TAV2 MancoPackage Content1 x 1″ Driver Pulley1 x 5/8″ Driven Pulley1 x 10 Tooth Sprocket1 x 12 Tooth Sprocket1 x Driver Belt1 x Plastic Assy Cover1 x Aluminum Mounting Bracket Plate1 x Full Mounting HardwareFeatures & DetailsTorque Converter Kit: Our 1″ Torque Converter is fully compatible with Comet and TAV2 torque converters. It fits all engines with a 1″ straight crankshaft. Replaces Comet, also apply to Manco go-karts.Additional 2 Sprockets: Torque converter fits a 1″ shaft and comes with a 1