Parts such as the Steering Stem: Bearing(30x55x17), Washer,stem Head, Emblem,s, Stem,steering are included in the Gsxr600 2008 (k8) Usa (e03) Steering Stem parts fiche.
The most expensive part in this assembly is the Damper Assy,steering.
The lowest price component in this Steering Stem parts-list fiche is the Nut.