The most expensive part in this assembly is the Lamp Assembly,rear Turn Signal.
Parts such as the Turn Signal Lamp: Nut, Screw, Gasket (nas), Screw(3x30) are included in the Gsx600f Katana 1995 (s) Usa (e03) Turn Signal Lamp parts fiche.
With six applications this Gasket (nas) is the most specified part.