Scheduled to take part in the test are the teams of Brad Keselowski (Team Penske, Ford), Tony Stewart (Stewart-Haas Racing, Chevrolet) and Matt Kenseth (Joe Gibbs Racing, Toyota).
Goodyear, the official tire supplier for NASCAR, tested tire combinations June 9 at Darlington, with teams from Richard Childress Racing (Ryan Newman), Chip Ganassi Racing with Felix Sabates (Jamie McMurray), Roush Fenway Racing (Greg Biffle) and Michael Waltrip Racing (Clint Bowyer) participating.
A one-day open test for teams was conducted the following day.
Darlington, the oldest paved speedway in NASCAR, has hosted premier series events annually since 1950. This year’s Bojangles' Southern 500 (7 p.m. ET, NBC, MRN, SiriusXM) is scheduled for Sunday, Sept. 6.
According to NASCAR officials, the test is a tire test only.