The most reasonably priced component used on the Kz550d1 Gpz 1981 Usa Canada Cylinder Head is the Nut,8mm.
The twenty-two Kz550d1 Gpz 1981 Usa Canada Cylinder Head component parts are all listed in this schematic.
A sample from the products for the Cylinder Head include: Oil Seal,tachometer, Nut,8mm, Screw-pan Head,6x16, O Ring,10mm.