GoPowerSports

10T GPS Centrifugal Clutch 3/4" Bore, #420

10T Centrifugal Clutch - 3/4" Bore, #420 Chain, 3-7HP Engines Key Specifications: 10 tooth sprocket for #41/420/40 chain compatibility 3/4" center bore with built-in 3/16" keyway 4" diameter...

10T Max-Torque Centrifugal Clutch 3/4" Bore, #420

10T Max-Torque Centrifugal Clutch 3/4" Bore, #420 10 Tooth 3/4" Bore For #420 Chain Comes with 3/16" Key Engages at roughly 2,200 RPMs Made in USA