The lowest price component in this Cylinder Head Cover parts-list fiche is the Bolt.
With all the components that make up the GS500E 1998 (W) (E02 E04 E18 E22 E24 E25 E34 E37) CYLINDER HEAD COVER assembly. The Bolt(7x17.5) is the most frequently specified with four applications.
The Cylinder Head Cover assembly is constructed from several parts from which the Gasket Set (nas) is the most expensive.