The most expensive part in this assembly is the Housing-comp-clutch.
A sample from the products for the Clutch(ar80-c6) include: Holder,clutch Spring, Hub,clutch, Bushing,17x22x34.5, Wheel-clutch.
This schematic depicts all components used in the Ar80c6 1988 United Kingdom Clutch(ar80-c6) partslist.