NASCAR must mark the differences between the Cup series's Coca-Cola 600...
and the All-Star event as it plots its post-2019 regulations overhaul.
The non-championship All-Star race was the first time in the Cup series to trial a new aero package.
Stewart-Haas Racing and Kevin Harvick once again dominated the All-Star event that had
38 green-flag passes for the lead throughout the four-stage, 80-lap race.
