Crew members for the #29 Pennzoil Ultra Chevrolet driven by Kevin Harvick work on the car after it was damaged during practice for the NASCAR Sprint Cup Series Shelby American at Las Vegas Motor Speedway. (Photo by Geoff Burke/Getty Images for NASCAR) hide

Crew members for the #29 Pennzoil Ultra Chevrolet driven by Kevin Harvick work on the car after it was damaged during practice f... more