Cole Custer poses with the winner's trophy after Denny Hamlin was disqualified for failing a post-race inspection at the NASCAR Xfinity Series auto race on Saturday, Aug. 31, 2019, at Darlington Raceway in Darlington, S.C. (AP Photo/Terry Renna)

Cole Custer drives into turn 1 during the NASCAR Xfinity Series auto race on Saturday, Aug. 31, 2019, at Darlington Raceway in Darlington, S.C.. Custer was declared the winner after Denny Hamlin was disqualified when his car failed the post-race inspection. (AP Photo/Terry Renna)

ADD HAMLIN STRIPPED OF WIN - Denny Hamlin celebrates in Victory Lane after winning a NASCAR Xfinity Series auto race on Saturday, Aug. 31, 2019, at Darlington Raceway in Darlington, S.C. Hamlin was stripped of his win after he failed post-race inspection. Cole Custer was declared the winner. (AP Photo/Terry Renna)

Denny Hamlin drives out of Turn 4 during the NASCAR Xfinity Series auto race on Saturday, Aug. 31, 2019, at Darlington Raceway in Darlington, S.C. Hamlin won the race. (AP Photo/Terry Renna)

Dale Earnhardt Jr drives on the track during qualifying for the NASCAR Xfinity Series auto race at Darlington Raceway on Saturday, Aug. 31, 2019, in Darlington, S.C.. (AP Photo/Terry Renna)

Dale Earnhardt Jr signs autographs before qualifying for the NASCAR Xfinity Series auto race at Darlington Raceway on Saturday, Aug. 31, 2019, in Darlington, S.C.. (AP Photo/Terry Renna)

Dale Earnhardt Jr gets in his car before qualifying for the NASCAR Xfinity Series auto race at Darlington Raceway on Saturday, Aug. 31, 2019, in Darlington, S.C.. (AP Photo/Terry Renna)