The 2021 Cup Series champion from Elk Grove, California, led a race-high 138 of 252 over-scheduled laps and prevailed in overtime to win in the series' return to North Wilkesboro Speedway.
The 24-year-old Byron from Charlotte, North Carolina, led 94 of 200 laps en route to his Truck Series victory in six years at the Paper Clip short track.
The Alva, Florida, native is set to reach a significant milestone start in his eventful NASCAR career and for this weekend's Xfinity-Cup doubleheader at Darlington Raceway.
In the wake of B.J. McLeod driving for Spire Motorsports in place of James Davison, Garrett Smithley will drive for B.J. McLeod Motorsports at Talladega on June 21.
