DARLINGTON, SC - SEPTEMBER 04: A fan takes pictures prior to the NASCAR Sprint Cup Series Bojangles' Southern 500 at Darlington Raceway on September 4, 2016 in Darlington, South Carolina. (Photo by Brian Lawdermilk/Getty Images)

DARLINGTON, SC - SEPTEMBER 04: Fans tour pit lane prior to the NASCAR Sprint Cup Series Bojangles' Southern 500 at Darlington Raceway on September 4, 2016 in Darlington, South Carolina. (Photo by Brian Lawdermilk/Getty Images)

DARLINGTON, SC - SEPTEMBER 04: Fans tour pit lane prior to the NASCAR Sprint Cup Series Bojangles' Southern 500 at Darlington Raceway on September 4, 2016 in Darlington, South Carolina. (Photo by Brian Lawdermilk/Getty Images)

DARLINGTON, SC - SEPTEMBER 04: Fans tour pit lane prior to the NASCAR Sprint Cup Series Bojangles' Southern 500 at Darlington Raceway on September 4, 2016 in Darlington, South Carolina. (Photo by Brian Lawdermilk/Getty Images)

DARLINGTON, SC - SEPTEMBER 04: Crew members push the #4 Busch Chevrolet, driven by Kevin Harvick, through the garage area during the NASCAR Sprint Cup Series Bojangles' Southern 500 at Darlington Raceway on September 4, 2016 in Darlington, South Carolina. (Photo by Jonathan Ferrey/Getty Images)

DARLINGTON, SC - SEPTEMBER 04: Crew members push the #4 Busch Chevrolet, driven by Kevin Harvick, through the garage area during the NASCAR Sprint Cup Series Bojangles' Southern 500 at Darlington Raceway on September 4, 2016 in Darlington, South Carolina. (Photo by Jonathan Ferrey/Getty Images)

DARLINGTON, SC - SEPTEMBER 04: Fans tour pit lane prior to the NASCAR Sprint Cup Series Bojangles' Southern 500 at Darlington Raceway on September 4, 2016 in Darlington, South Carolina. (Photo by Brian Lawdermilk/Getty Images)

DARLINGTON, SC - SEPTEMBER 04: The #43 STP Ford, driven by Aric Almirola, goes through inspection prior to the NASCAR Sprint Cup Series Bojangles' Southern 500 at Darlington Raceway on September 4, 2016 in Darlington, South Carolina. (Photo by Jerry Markland/Getty Images)