The Screw Tapp 5x16 is the lowest priced item on this Rear Fender / Spark Unit schematic.
In this schematic the "Screw Tapp 5x16" is used most often.
The Vfr750f Interceptor 1986 (g) Usa California Rear Fender / Spark Unit consists of thirty-three pieces with the Spark Unit (nd) being the most expensive.