Spectators are injured after a tire and engine off Kyle Larson's car flew into the stands during a crash at the conclusion of the NASCAR Nationwide Series auto race Saturday, Feb. 23, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/David Graham)

Photo by: David Graham

Spectators are injured after a tire and engine off Kyle Larson's car flew into the stands during a crash at the conclusion of the NASCAR Nationwide Series auto race Saturday, Feb. 23, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/David Graham)