Centrifugal clutch 1" bore 14 tooth design. A high quality and professional clutch made of high quality iron material that is high impact, wear resistant and durable. Fits 8hp go kart centrifugal clutch 1inch bore 14 tooth for 40 or 41 or 420 chain. Lightweight, portable, sturdy, durable, with maximum torque, wear resistance and fast heat dissipation. engaging speed up to 2300 RPM. Replacement for primarily on Go Kart and Mini Bike, Lawnmower and Fun Kart. Specification:Shaft Bore: 1"Accommodates: 40 or 41 or 420 ChainTooth: 14Engaging speed: up to be 2300 RPMCompatibility:Replacement for Mini Bikes and Go KartsSuitable for 40 or 41 or 420 Chain Go Kart 8HP EngineFeatures:Durable, Maximum torque, Wear-resisting, Fast heat dissipation Note:Recommend to always use bolt and washer on the end of the crankshaft to hold clutch securely onto the shaft.Package Includes: 1 x Go Kart Centrifugal Clutch Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.