NASCAR Cup Series driver Ross Chastain will compete in select races for JR Motorsports under the O'Reilly Auto Parts banner during the 2027 season, according to a report by Austin Konenski of Motorsports Wire published on October 31, 2026.
The arrangement marks a continuation of Chastain's partnership with JR Motorsports, where he has previously driven in the Xfinity Series. Specific races and schedule details were not disclosed in the initial announcement.



