The sub assemblies and components that make up this Front Hub/brake include this Drum-assy,fr,buff Fin, the most expensive part.
This part-list fiche shows all the components that make up the Km100-a4 1979 Usa Canada / Mph Kph Front Hub/brake .
The lowest price component in this Front Hub/brake parts-list fiche is the Washer-plain,10mm.