PRODUCT DESCRIPTION Torque Converter Clutch Driver Assembly - 30 Series 3/4" Bore for Go Karts and Mini Bikes Version 55 Assembly is a torque converter clutch for Go Karts and mini bikes. Driver clutch details: Overall OD of pulley: 116mm [4.6"] Overall OD if bell:125mm [4.9"] 3/4" Bore 3/16" key way Uses a 3/4" top width belt 219552, 219552A, 5957, Q43201W 9500001080G000 9.500.010 Known to fit 6.5hp engines with 3/4" shafts. Check pictures and measurements to be sure this is the correct clutch for your application. Fits the TrailMaster Blazer 200 and MID XRX Go Karts. Do you have a 20 series or 30 series torque converter? 20 series pulleys and belts are shaped like a "V". They use a belt that is cut at the same angle on both sides. 20 and 30 series torque converters are the same size, but the belt on the 30 series unit is wedge shaped. The pulley will have a flat side. Please make sure you identify which torque converter you have before ordering. Shipping details: Item(s) will be shipped within 1 business days once you finished your payment. Once we ship the item(s) out, tracking number will be offered for you. Professional Safety Packaging and Fast Delivery! Visit here to buy this product: https://www.chinesepartsmax.com/mini-bike-parts/mini-bike-clutches-and-torque-converters/mini-bike-clutches-torque-converters?product_id=10384