Christopher Bell was fastest in the second of three practice sessions for the Camping World Truck Series at Atlanta Motor Speedway.
The second-year driver posted a speed of 180.357 mph just as the session was ending, knocking off Johnny Sauter (179.994).
Filling out the top five was rookie Chase Briscoe (178.109), Brett Moffitt (177.932) and Ben Rhodes (177.852).
Chase Elliott was 13th fastest. Austin Dillon was 22nd.
Noah Gragson was the only driver to make a 10-lap run.