Parker Kligerman and the No. 48 Big Machine Racing team faced an L1-level penalty after a pre-race inspection at Michigan International Speedway revealed a violation concerning the car's rear spoiler. Both Kligerman and the team were docked 20 championship driver and owner points, as well as five playoff points, while crew chief Patrick Donahue was fined $25,000. This penalty reduces Kligerman's cushion above the Xfinity Series Playoff cutline from 36 to 16 points with only five races remaining in the regular season. The infraction falls under section 14.4.10.A of the NASCAR rulebook, which governs modifications to vehicle components. Kligerman finished 11th in the race, having scored 27 points, and will now need to navigate the upcoming races carefully to secure his playoff position.