Parts such as the Handlebar: Cushion,handle Holder, Nut, Protector, Cap(od:11) are included in the Gs500 2001 (k1) Usa (e03) Handlebar parts fiche.
The Handlebar is made up of components including this Holder,handlebar Lwr which is the most expensive.
This schematic depicts all components used in the Gs500 2001 (k1) Usa (e03) Handlebar partslist.