Seeking his first Camping World Truck Series win at Las Vegas Motor Speedway, Matt Crafton led the only practice on the 1.5-mile oval before Saturday’s Rhino Linings 350.
The two-time defending series champion turned a 177.719-mph lap, followed by Johnny Sauter (177.556) and Timothy Peters (177.369) as Toyotas swept the top three.
Points leader Erik Jones, the race’s defending winner, was 13th fastest at 175.633. Jones leads Crafton by seven points in the standings.
Qualifying is at 7:05 p.m.