Busch and Truex fastest during Friday's two practice sessions

Martin Truex Jr. was fastest in the early session.

Kyle Busch finished the final practice for the Go Bowling 400 with the fastest speed at 187.963 mph.

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)

Read More Here.....NBC Sports

Practice 2 Speeds

Practice 1 Speeds