Parts such as the Alternator (model P/r): Screw, Rotor Assembly, Regulator, Nut are included in the Gsxr1100w 1998 (w) Usa (e03) Alternator (model P/r) parts fiche.
The most reasonably priced component used on the Gsxr1100w 1998 (w) Usa (e03) Alternator (model P/r) is the Screw.
Of all the components used in this assembly the Alternator Assembly is the most expensive.