Of all the components used in this assembly the Headlamp Assembly is the most expensive.
A sample from the products for the Headlamp (model W/x/y/k1/k2) include: Nut, Headlamp Assy, Screw, Screw.
The twenty-four Gsx600f Katana 1999 (x) Usa (e03) Headlamp (model W/x/y/k1/k2) component parts are all listed in this schematic.