Parts such as the Front Master Cylinder (sv1000k6) Not For Us Market: Piston & Cup Set, Holder, Screw, Plate,diaphragm are included in the Sv1000s 2006 (k6) Usa (e03) Front Master Cylinder (sv1000k6) Not For Us Market parts fiche.
In this schematic the "Screw" is used most often.
The Screw is the cheapest item from this partsfiche.