Parts such as the Clutch: Gear (21t), Ring Clutch, Circlip,25m/m, Spring, Clutch are included in the Cb350k4 Italy Clutch parts fiche.
The lowest price component in this Clutch parts-list fiche is the Bolt Hex 6x20.
The Clutch assembly is constructed from several parts from which the Outer Clutch is the most expensive.