Excalibur NASCAR Racing Pro 501CS EXCALIBUR 501CS NASCAR Racing Pro. For the ultimate NASCAR fan, there just is not a better gift. Employing the latest technology, the NASCAR Racing Pro gives you instant access to thousands of stats and facts, from bios of drivers past and present, to info on all the tracks, to winners of today and yesteryear. Settles any NASCAR argument. Push a button and NASCAR Racing Pro also functions as a stopwatch. Test your NASCAR knowledge with a trivia game. Includes comprehensive glossary of racing terms.