Parts such as the Clutch Master Cylinder (model P/r): Bolt 10x1.25x24, Union, Washer(10x15x1.5), Holder are included in the Gsxr1100w 1993 (p) Usa (e03) Clutch Master Cylinder (model P/r) parts fiche.
The lowest price component in this Clutch Master Cylinder (model P/r) parts-list fiche is the Screw.
On this parts fiche the Washer(10x15x1.5) is the most specified component.