The two-time Xfinity Series champion from Corning, California, led a race-high 41 of 75 over-scheduled laps and outlasted the field through three overtime attempts for his first win of the 2023 Cup season in Austin.
The 28-year-old Wallace from Mobile, Alabama, led 58 of 267-scheduled laps, including the final 43, en route to his second Cup career victory at Kansas.
The 19-year-old grandson of team owner Joe Gibbs from Charlotte, North Carolina, will be substituting for Kurt Busch for a third consecutive Cup Series weekend at the Irish Hills.
Kurt Busch, the 2004 Cup Series champion from Las Vegas, Nevada, led a race-high 116 of 267 to notch his first victory in the Heartland State and his first driving for 23XI Racing.
Running in the top-10 before both cars were taken out in a massive lap 262 crash during Sunday's Goodyear 400 at Darlington seemed par for the course for the 23XI Racing Toyotas of Kurt Busch and Bubba Wallace.
The Mobile, Alabama, native fended off the field in the closing laps of the second stage to become the second African-American competitor to win in NASCAR's premier series.
