Kyle Larson posted the best speed in the final Xfinity Series practice for the Ford EcoBoost 300 at Homestead-Miami Speedway.
Larson put up a speed of 170.487 mph around the 1.5-mile track.
Daniel Suarez was second fastest, leading of four remaining Chase drivers at 169.859 mph.
Erik Jones was third fastest at 169.790 mph. Elliott Sadler was 15th (167.691) and Justin Allgaier was 18th (167.556).
Filling out the top five was Ryan Blaney and Brandon Jones.
Erik Jones had the best 10-lap average at 167.017 mph