Synchronous Pulley; 12MM Belt Width; 8MM Belt Pitch; 8MX-12 Belt Style; 140 Teeth; 21.59MM Face Width; Bushed; 354.914MM OD; 356.514MM Pitch Diameter; Yes Keyway; 14 To 48MM Bushing Bore Range; 2012 Bushing; No Minimum Plain Bore