Erik Jones was fastest in the final Xfinity Series practice Thursday at Bristol Moto Speedway.
Jones, who is making his first Xfinity start since 2017, posted a top speed of 123.618 mph.
John Hunter Nemechek was 12th fastest and recorded the most laps in the session with 101.
Custer had the best 10-lap average at 121.894 mph.
The session was briefly red flagged halfway through for Ray Black Jr. stalling at the bottom of the track.
Jones was fastest in the the first session with a top speed of 124.719 mph.
Chase Briscoe, who was 10th on the speed chart, recorded the most laps in the session with 56.
Nemechek had the best 10-lap average at 122.078 mph.
There were two red flags late in the session, the first for debris and the second for a Brandon Brown mechanical failure.
Final practice is scheduled for 1:35 – 2:25 p.m ET on the NBC Sports App.
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