On this parts fiche the Bolt(6x39) is the most specified component.
This part-list fiche shows all the components that make up the Gs1100es 1983 (d) Usa (e03) Cylinder Head .
Some items from this specific schematic: Head Assy,cylinder, Gasket(5.3x9.3x1.2) (nas), Head Assy,cylinder, Gasket(14x19.2x2) (nas).