Parts such as the Cylinder Head Cover: Cover,cylinder Head, Cap(od:10), Gasket,head Cover (nas), Pin are included in the Gsx1100e 1984 (e) (e01 E04 E06 E21 E24) Cylinder Head Cover parts fiche.
In this schematic the "Cap(od:10)" is used most often.
The Cap(od:10) is the lowest priced item on this Cylinder Head Cover schematic.