The most reasonably priced component used on the Gsx250 1982 (z) General Export (e01) Rear Fender is the Washer(6.5x18x1).
A sample from the products for the Rear Fender include: Screw, Washer (5.5x16x1.2), Extention, Rear Fender, Cushion.
Check out any of the twenty-two Rear Fender components enlisted.