The twenty-nine Kz440b2 1981 Usa / Mph Clutch ('81 B2) component parts are all listed in this schematic.
The Nut,8mm is the cheapest item from this partsfiche.
Parts such as the Clutch ('81 B2): Plate-friction (nas), Gear Oil Pump,34t, Plate,clutch Steel (nas), Nut,8mm are included in the Kz440b2 1981 Usa / Mph Clutch ('81 B2) parts fiche.