The component with the lowest price in the FRONT MASTER CYLINDER schematic is the Screw.
Some items from this specific schematic: Piston & Cup Set, Diaphragm, Cylinder Assy,fr Master, Plate,diaphragm.
The Screw is the most widely applied product in the GSX600F KATANA 2000 (Y) USA (E03) FRONT MASTER CYLINDER ( two times ).