The Bolt,flange,6x32 is the lowest priced item on this Cylinder Head Cover schematic.
fifteen components are shown in this Gb500 Touristtrophy 1989 (k) Usa California Cylinder Head Cover exploded diagram.
Some items from this specific schematic: Bolt,flange,6x35, O-ring,39.5x2.6, Cap,tappet Adjust, O-ring,39.5x2.6.