The most reasonably priced component used on the Kz650c2 Custom 1978 Usa Canada / Mph Kph Cylinder Head is the Circlip,valve Guide.
Parts such as the Cylinder Head: Pin-dowel, Cylinder Head, Barrel, Rubber Plug, Bolt, Hex Head, 6x38 are included in the Kz650c2 Custom 1978 Usa Canada / Mph Kph Cylinder Head parts fiche.
The Cylinder Head assembly is constructed from several parts from which the Cylinder Head, Barrel is the most expensive.