NASCAR announced two crew chief fines for unsecured lug nuts last weekend at Auto Club Speedway.
Adam Stevens, crew chief on Kyle Busch‘s No. 18 Toyota, was fined $10,000 for one unsecured lug nut.
In the Xfinity Series, Eric Phillips, the crew chief for Ryan Preece‘s No. 18 Toyota, was fined $5,000 for an unsecured lug nut.
No other penalties were announced.