LONG POND, PA - JULY 31: Kevin Harvick, driver of the #4 Jimmy John’s/Budweiser Chevrolet, practices for the NASCAR Sprint Cup Series Windows 10 400 at Pocono Raceway on July 31, 2015 in Long Pond, Pennsylvania. (Photo by Jared C. Tilton/Getty Images)
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The NASCAR America crew discusses Kevin Harvick’s DNF after blowing his engine on Lap 20. All are in agreement it is rare to see a DNF out of a Hendrick engine and are still unsure of what caused it.