On this parts fiche the Bolt is the most specified component.
The component with the lowest price in the CYLINDER HEAD COVER (MODEL D) schematic is the Gasket (nas).
Parts such as the Cylinder Head Cover (model D): Bolt, Plate,tach Drive Gear Sleeve, Screw(5x12), Gear,tachometer Driven are included in the Gsx1100 1982 (z) General Export United Kingdom (e01 E02) Cylinder Head Cover (model D) parts fiche.