- No. 23 23XI Racing Toyota (crew chief Mike Wheeler; driver Bubba Wallace)
- No. 51 Petty Ware Racing Chevrolet (crew chief Mike Hillman; driver Cody Ware)
Penalty report: Three Cup Series teams penalized out of Michigan
Sean Gardner | Getty Images
NASCAR penalized three Cup Series teams, an Xfinity Series team and a Camping World Truck Series team Wednesday for infractions during last weekend's events at Michigan International Speedway and World Wide Technology Raceway at Gateway.
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Two of the three Cup Series teams were found with one unsecured lug nut in Sunday’s post-race check after the FireKeepers Casino 400, resulting in a $10,000 fine for each of the following teams/crew chiefs: