Cole Custer was fastest in the final of two practice sessions ahead of the Camping World Truck Series’ JACOB Companies 200 at Dover International Speedway.
The JR Motorsports driver put up a top speed of 157.577 mph in 37 laps around the 1-mile track.
The top five was filled out by Christopher Bell, Ben Kennedy, Matt Tifft and Daniel Hemric.
Qualifying for the race is set for 2:15 p.m. ET on Fox Sports 1.