The component with the lowest price in the FUEL TANK (MODEL T) schematic is the Spacer.
Parts such as the Fuel Tank (model T): Bolt(5x20), Clip, Tank Assy,fuel (black), Tank Assy,fuel (green) are included in the Gsx600fu2 1996 (t) Germany (e22) Fuel Tank (model T) parts fiche.
On this parts fiche the Bolt(5x20) is the most specified component.