NASCAR has released the post-race penalty report for the XFINITY and Cup races at Auto Club Speedway. There were three lug nut penalties.
In Cup, the teams of #8-Tyler Reddick [crew chief Randall Burnett] and #41-Cole Custer [crew chief Mike Shiplett] were penalized. In XFINITY, #18-Riley Herbst [crew chief Dover Rogers] was penalized. The fine for Cup crew chiefs is $10,000. In XFINITY it’s $5,000.