Where to buy Vinyl Carpet interior Floor for a Plymouth Scamp?

King, I don't know if these guys can help you out but it looks like they might.

http://www.metropartsmarket.com/

This is the link for the precise page of vinyl floor coverings.
http://www.metropartsmarket.com/catalog/carpet/textured_vinyl/samples.html

I usually recommend StockInteriors.com but I couldn't find any vinyl matting on their site. Good luck!