The final Xfinity Series practice session for Saturday’s race at Phoenix International Raceway saw Kyle Busch claim the fastest speed.
The No. 54 Toyota put up a speed of 135.491 mph in the session after recording 48 laps.
Ty Dillon was the second fastest for the second session in a row with a speed of 135.466 mph.
The top five was completed by Brendan Gaughan, points leader Chris Buescher and Chase Elliott.
Austin Dillon, who was quickest in the first practice, finished the session in seventh.
Speed Chart
