On this parts fiche the Nut,flange,6mm is the most specified component.
A sample from the products for the Cylinder Head include: Nut,hex.,6mm, Nut,flange,6mm, Bolt,stud,6x25, Band Comp,a Inlet.
This Cylinder Head diagram displays the required parts for the Ch80 Elite 80 1994 (r) Usa Cylinder Head.