[1badgmc]

That eBay seller is about your best bet these days. The kits were originally made by East Coast Customs. They stopped making the fullsize kits long ago, yet still made the S-Series kits. I don't even know if they're around anymore. There have been other sites in recent years that have had them, but they've all disappeared or stopped carrying them. The eBay seller, fiberglassguru, has been sporadic with listing the kits, but I've heard from several people that even if they don't have any listed, they're pretty responsive if you contact them about getting a kit.