Synchronous Pulley; 3/8" Belt Width; 1/5" Belt Pitch; XL Belt Style; 42 Teeth; 0" Face Width; Bushed; 2.654" OD; 2.674" Pitch Diam; Yes Keyway; 1/2 To 1" Bushing Bore Range; 1108 Bushing; No Minimum Plain Bore