The lowest price component in this Rear Cushion Lever parts-list fiche is the Ring,stopper.
With all the components that make up the GSXR750 1991 (M) USA (E03) REAR CUSHION LEVER assembly. The Bearing(20x27x23.5) is the most frequently specified with four applications.
Some items from this specific schematic: Absorber Assembly,rear Shock, Clamp, Nut, Spacer,rr Cushion Lever.