Erik Jones, who earned his first Cup win last weekend at Daytona, was fastest in the final practice session at Kentucky Speedway on Friday.
Jones posted a top speed of187.748 mph around the 1.5-mile speedway. He only recorded five laps in the session.
Jones was followed by Ryan Blaney (187.311 mph), Kyle Busch (186.503), Ricky Stenhouse Jr. (185.982) and Austin Dillon (185.714).
Kyle Larson, who was fastest in the first practice, was 25th on the speed chart (181.616) and recorded the most laps with 48.
Denny Hamlin had the best 10-lap average at 180.939 mph.