Parts such as the Radiator: Spacer(6.5x10.5x12), Fan, Washer, Nut 6mm are included in the Gsxr600w 1992 (n) Usa (e03) Radiator parts fiche.
The lowest price component in this Radiator parts-list fiche is the Bolt.
On this parts fiche the Bolt is the most specified component.