Kobalt Tools 400 – Practice

Kobalt Tools 400 – Practice

LAS VEGAS, NV – MARCH 09: Marcos Ambrose, driver of the #9 Stanley Ford, stands in the garage area during practice for the NASCAR Sprint Cup Series Kobalt Tools 400 at Las Vegas Motor Speedway on March 9, 2013 in Las Vegas, Nevada. (Photo by Nick Laham/Getty Images)

LAS VEGAS, NV – MARCH 09: Marcos Ambrose, driver of the #9 Stanley Ford, stands in the garage area during practice for the NASCAR Sprint Cup Series Kobalt Tools 400 at Las Vegas Motor Speedway on March 9, 2013 in Las Vegas, Nevada. (Photo by Nick Laham/Getty Images)

Greg Engle