Have you guys seen this - K1 Speed has opened a new center in Phoenix these guys are popular out west and a blast to race at - check out the website
K1 Speed Indoor Go Kart Racing - Eight Centers Nationwide
K1 Speed Indoor Go Kart Racing - Phoenix, Scottsdale, Glendale
track is something like 1200 feet long, and has a 56 foot long tunnel to race through ....