2012 MAR 09: Chad Knaus, crew chief for Jimmie Johnson and the Lowe's 48 Chevrolet, inside the Neon Garage during the second practice session for the Kobalt Tools 400 NASCAR Sprint Cup Series auto race at Las Vegas Motor Speedway in Las Vegas, NV
Photographer: Josh Holmberg/Icon Sportswire
File Size: 1.07 MB @ 300dpi
Image Size: 2832 x 4256
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