On this parts fiche the Screw Tapp 5x16 is the most specified component.
The sub assemblies and components that make up this Rear Fender include this Spark Unit (nd), the most expensive part.
The most reasonably priced component used on the Vfr750f Interceptor 1986 (g) Spain / Kph Rear Fender is the Screw Tapp 5x16.