|Martin Truex Jr. was fastest in the early session.|
Busch posted the speed after recording 27 laps around Kansas Speedway.
Kyle Larson, after going to a backup car due to an accident at the beginning of the session, was second fastest with a speed of 187.833 mph.
Filling out the top five was Martin Truex Jr. (187.305), Ryan Blaney (187.182) and Brad Keselowski (187.130)
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