Here is a 1950 Chevy Pick UP Spare Tire Fender. This is only for the Driver side. will fit the the AMT kit.
1950 Chevy Truck Spare Tire Fender DR
As with many resins, you'll need to clean up any excess flash, pin holes and wash down with a good degreaser to remove any oils from the molds. Also before paint, check fitment as resin differs from plastic parts.