I am looking for seat upholstry for a Rupp Monza Jr. I am no Rupp expert, obviously - but I "think" the upholstry is 2 pieces. The bottom is the same as a Dart Kart, and the top is unique to the Monza Jr / Chevy Jr. Kart frames. I am looking for new or used, ragged, or perfect. If you have a JUNK on...