On this parts fiche the Screw 4x6 is the most specified component.
Parts such as the Radiator: Cushion(50x42x2.0), Screw 4x6, Bolt, Bolt are included in the Gsxr1100w 1994 (r) (e01 E02 E04 E15 E17 18 21 22 24 25 34 39 53) Radiator parts fiche.
The most reasonably priced component used on the Gsxr1100w 1994 (r) (e01 E02 E04 E15 E17 18 21 22 24 25 34 39 53) Radiator is the Screw.