NASCAR has released the post-race penalty report following the race weekend at both Michigan International Speedway and World Wide Technology Raceway.
Cup Series:
8/22/2021 (post-race inspection)
#23-Bubba Wallace
Sections 10.9.10.4: Tires and Wheels
Note: Lug nut(s) not properly installed.
Crew chief (Mike Wheeler) has been fined $10,000.
#51-Cody Ware
Sections 10.9.10.4: Tires and Wheels
Note: Lug nut(s) not properly installed.
Crew chief (Mike Hillman) has been fined $10,000.
#42-Ross Chastain
Sections 12.5.2.7.4: Loss or separation of an improperly installed rear axle from the
vehicle
Note: Loss of axle during the event
Crew member (David Fero) is suspended from the next NASCAR Cup Series event.
Xfinity Series:
8/21/2021 (post-race inspection)
#16-AJ Allmendinger
Sections 10.9.10.4: Tires and Wheels
Note: Lug nut(s) not properly installed.
Crew chief (Jason Trinchere) has been fined $5,000.
Truck Series:
8/20/2021 (post-race inspection)
#19-Derek Kraus
Sections 10.9.10.4: Tires and Wheels
Note: Lug nut(s) not properly installed.
Crew chief (Mark Hillman) has been fined $2,500.
Click here for the complete report.
