Parts such as the Headlamp (sv650sk8/sk9/sak8/sak9): Bulb(12v60/55w,h4), Headlamp Assy, Bolt(5x10), Cover,socket are included in the Sv650 2008 (k8) Usa (e03) Headlamp (sv650sk8/sk9/sak8/sak9) parts fiche.
In this schematic the "Screw" is used most often.
The most reasonably priced component used on the Sv650 2008 (k8) Usa (e03) Headlamp (sv650sk8/sk9/sak8/sak9) is the Screw.