NASCAR has issued three fines to crew chiefs for having one unsecured lug nut on their cars during last weekend’s races at Auto Club Speedway.
There were two fines in the Cup Series. Randall Burnett, crew chief on Tyler Reddick’s No. 8 Chevy, and Mike Shiplett, crew chief on Cole Custer’s No. 41 Ford, were each fined $10,000.
In the Xfinity Series, Dave Rogers, crew chief on Riley Herbst’s No. 18 Toyota, was fined $5,000.
There were no other penalties announced by NASCAR.