Crew chief Danny Stockman has been fined $10,000 and due to the violation of his probation, has been suspended from NASCAR until July 25. Car chief Robert Strmiska has also been suspended from NASCAR competition until July 25 due to the violation of his probation. This past May 1, both Stockman and Strmiska were placed on NASCAR probation until Dec. 31, for rules violations committed at Richmond International Raceway.
Driver Austin Dillon and owner Morgan Shepherd have been penalized with the loss of six championship driver and six championship owner points, respectively.
The No. 18 car in the NASCAR Nationwide Series was found to be in violation of Sections 12-1; 12-4J; and 20A-12.8.1(B) (car failed to meet minimum front car heights). This violation occurred during post-race inspection July 6.
Crew chief Adam Stevens has been fined $10,000 and placed on NASCAR probation until Aug. 22. Car chief Christopher Landis has been placed on NASCAR probation until Aug. 22. Owner Joe Gibbs has been penalized with the loss of six championship owner points.
Source: from NASCAR press release