Following Martinsville, NASCAR took the No. 3 RCR Chevrolet and the No. 41 Stewart-Haas Racing Ford back to the R&D Center for further inspection. There were no issues with SHR car, but the same cannot be said for RCR.<br>NASCAR found a violation relating to the 'Underwing Assembly Mounting & Underwing Stay Assembly Hardware' section of the rulebook. Austin Dillon finished 12th at ...<a class='more' href='https://www.motorsport.com/nascar-cup/news/nascar-penalizes-austin-dillon-richard-childress-racing/10458420/?utm_source=RSS&utm_medium=referral&utm_campaign=R SS-NASCAR&utm_term=News&utm_content=www'>Keep reading</a>

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