Of all the components used in this assembly the Head,assy,cylinder is the most expensive.
Parts such as the Cylinder Head: Guide-valve, Gasket-head (nas), Bolt,hex Head,6x38, Stud, 6x27 are included in the Kz550h2 Gpz 1983 Usa Canada Cylinder Head parts fiche.
The Circlip,valve Guide is the cheapest item from this partsfiche.