Parts such as the Rear Fender: Collar (6x17), Stopper,key Body, Fender C, Rr., Bolt,flange,6x28 are included in the Cb750sc Nighthawk 750 1983 (d) Usa Rear Fender parts fiche.
The most reasonably priced component used on the Cb750sc Nighthawk 750 1983 (d) Usa Rear Fender is the Screw,oval,5x16.
The Rear Fender assembly is constructed from several parts from which the Bar,l.rr.grip is the most expensive.
