Unlike similar Torque converters with a bushing. This Clutch has a Roller Bearing to prolong the life of your drive belt. This will replace any 30 series 3/4 shaft bushing style clutch.The next size up belt will be required. 30 series driver, 3/4" bore, with 3/16" key. Quality aftermarket not made by Comet. Used to replace: Trailmaster #9.500.001 Manco #5957 American Sportworks # 14716 Comet # 203814 Comet # 219552 Murray # 680167 Murray # 1201404 Yerf-Dog Q43201W Belt Size ( 203589A Metric 699 27 23/64" around outside.) ( 203590A Metric 725 28 21/64" around outside.) ( 203591A Metric 743 29 9/32" around out side.)

 Important! If you are replacing the bushing style, you will need the next size up belt.