| Monster Energy NASCAR Cup Series | |||||
| Infraction Date | Track | Team | Level | Infraction | Penalty |
| 5/27/2018 (post-race inspection) | Charlotte | No. 78 | Safety | Sections 10.9.10.4: Tires and Wheels Note: Lug nut(s) not properly installed. | Crew chief (Cole Pearn) has been fined $10,000. |
| NASCAR Xfinity Series | |||||
| Infraction Date | Track | Team | Level | Infraction | Penalty |
| 5/26/2018 (post-race inspection) | Charlotte | No. 20 | L1 | Sections 20.17.3.2.1.2.a Post-Qualifying and Post-Race Front Body Inspection Heights; 20.17.3.2.2.2.a Post-Qualifying and Post- Race Rear Body Inspection Heights Note: Post-race height measurements were outside NASCAR allowed tolerances. Rule 12.5.2.6.2(c) applied to race finish as a post-race L1 infraction. | Crew chief (Jason Ratcliff) has been fined $10,000 and suspended from the next NASCAR Xfinity Series Championship Points Event. Team has been assessed with the loss of 10 driver points and 10 owner points. |
| 5/26/2018 (post-race inspection) | Charlotte | No. 8 | Safety | Sections 10.9.10.4: Tires and Wheels Note: Lug nut(s) not properly installed. | Crew chief (Keith Wolfe) has been fined $10,000 and suspended from the next NASCAR Xfinity Series Championship Points Event. |
