A sample from the products for the Headlight(s) include: Cover-seal,head Lamp, Socket,head Lamp, Socket-assy,head Lamp, Collar,l=7.4.
On this parts fiche the Damper is the most specified component.
The most reasonably priced component used on the Zx1000gbf Ninja 1000 2011 Usa Headlight(s) is the Screw.
