| NASCAR Cup Series |
| Date | Track | Team/Member | Level | Infraction | Penalty/Remarks |
| 9/26/2021 (post-race inspection) | Las Vegas | No. 4 | Safety | Sections 10.9.10.4: Tires and Wheels Note: Lug nut(s) not properly installed. | Crew chief (Rodney Childers ) has been fined $20,000 and suspended from the next NASCAR Cup Series Championship Points Event. |
| 9/26/2021 (post-race inspection) | Las Vegas | No. 5 | Safety | Sections 10.9.10.4: Tires and Wheels Note: Lug nut(s) not properly installed. | Crew chief (Cliff Daniels) has been fined $10,000. |
| 9/26/2021 (post-race inspection) | Las Vegas | No. 18 | Safety | Sections 10.9.10.4: Tires and Wheels Note: Lug nut(s) not properly installed. | Crew chief (Ben Beshore) has been fined $10,000. |
| 9/26/2021 (post-race inspection) | Las Vegas | No. 42 | Safety | Sections 10.9.10.4: Tires and Wheels Note: Lug nut(s) not properly installed. | Crew chief (Phil Surgen) has been fined $10,000. |
| 9/26/2021 (post-race inspection) | Las Vegas | No. 99 | Safety | Sections 10.9.10.4: Tires and Wheels Note: Lug nut(s) not properly installed. | Crew chief (Travis Mack) has been fined $10,000. |
