The Headlamp (gs1100ez/ed) assembly is constructed from several parts from which the Lamp Unit is the most expensive.
sixteen components are listed in the schematic for this Gs1100e 1983 (d) Usa (e03) Headlamp (gs1100ez/ed) .
Some items from this specific schematic: Nut, Screw, Spring,headlamp Adjust, Bulb(12v60/55w,h4).