Quick view Max-Torque Max Torque Clutch 3/4" Bore 40/41/420 Chain 10 Tooth 4 CYCLE CENTRIFUGAL CLUTCH - #40/41/420 Chain 10 Tooth 3/4" Bore Max-Torque Sintered Metal Clutch Shoes Smooth Positive Engagement @ 1,800 to 2,000 rpms Works Clockwise or Counterclockwise Four Cycle... $60.30 $42.95 Add to Cart