Description: 100% Brand new centrifugal clutch. Made of high quality iron, strong and durable. Fit for 212cc Engine #40/41/420 Chain 10T Go-Kart Mini Bike. Used primarily on mini bikes and Go-Karts but can be also used for other applications. Clutch mounts on the crankshaft using the bolt and washer on the end of the crankshaft. Specification: Material: Iron Shaft Bore: 3/4 inch Dimensions: 40/41/420 Chain / 10 Tooth Diameter: Approx. 105 mm / 4.1 inch Package Includes: 1 Piece Centrifugal Clutch Note: Please make sure this part fits for your engine before order