Trophy Kart driver # 535 shorts the double and barrel rolls during that main atStadium Super Trucks Round 5 at Qualcomm Stadium in San Diego, California on May 18, 2013. Mandatory Photo Credit: Chris Anderson/114photography

Trophy Kart driver # 535 shorts the double and barrel rolls during that main atStadium Super Trucks Round 5 at Qualcomm Stadium in San Diego, California on May 18, 2013. Mandatory Photo Credit: Chris Anderson/114photography