Synchronous Pulley; 12MM Belt Width; 8 MM Belt Pitch; 8M-12 Belt Style; 140 Teeth; 21.59MM Face Width; Bushed; 354.914MM Outside Diameter; 356.51MM Pitch Diameter; Yes Keyway; 18 To 48MM Bushing Bore Range; 2012 Bushing; No Minimum Plain Bore