These are pieces I fabricated to fit this model car.

Here are the pieces covered with Tamiya white putty.

And here are the pieces wsanded and painted black without primer.

Tamiya white putty used to rebuild a fender after cutting off the running board.

Rebuilding a smooth fender surface.

Tamiya Plastic Putty used to make a smooth transition from the surface of the vinyl record to the wooden disc I glued in the center.