Kevin Harvick was fastest in Saturday’s first of two Cup practice sessions at ISM Raceway.
Harvick, who is the pole-sitter for Sunday’s race (2:30 p.m. ET on NBC), posted a top speed of 134.710 mph around the 1-mile track. He recorded 27 laps in the session.
Larson has the best 10-lap average at 133.862 mph.
Kurt Busch, who was 15th fastest, recorded the most laps with 50.
The session was briefly stopped for a Tanner Berryhill spin.
The final 10 minutes of the session were devoted to restart practice.