2007 October 28: A crew member for David Grubnic (6TF) Zantrex-3 NHRA Top Fuel Dragster checks for valve lash at the ACDelco Nationals in Las Vegas, NV.
Photographer: Josh Holmberg/Icon Sportswire
File Size: 1.93 MB @ 300dpi
Image Size: 3504 x 2336
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