The Cook Out Southern 500 on Sept. 1 at Darlington (S.C.) Raceway marks the NASCAR Cup Series regular-season finale and the last race where the Winchester brand will be featured on the No. 10 Ford Mustang Dark Horse from Stewart-Haas Racing.
The Cook Out Southern 500 on Sept. 1 at Darlington (S.C.) Raceway marks the NASCAR Cup Series regular-season finale and the last race where the Winchester brand will be featured on the No. 10 Ford Mustang Dark Horse from Stewart-Haas Racing.