Following the race weekend at Richmond Raceway, NASCAR has released the post-race penalty report. There were three lug nut infractions:
Cup Series
4/18/2021(post-race inspection)
#24-William Byron
Sections 10.9.10.4: Tires and Wheels
Note: Lug nut(s) not properly installed.
Crew chief (Rudy Fugle) has been fined $10,000.
4/18/2021(post-race inspection)
#51-Cody Ware
Sections 10.9.10.4: Tires and Wheels
Note: Lug nut(s) not properly installed.
Crew chief (Michael Hillman) has been fined $10,000.
Truck Series
4/17/2021(post-race inspection)
#4-John Hunter Nemechek
Sections 10.9.10.4: Tires and Wheels
Note: Lug nut(s) not properly installed.
Crew chief (Eric Phillips) has been fined $2,500.
— NASCAR —