Oh no.
Denny Hamlin had his thrilling win at Darlington encumbered and Joe Gibbs racing's crew chief was hit with a $50,000 fine after a NASCAR post-race inspection uncovered an L1 violation.
NASCAR announced the news via its website, NASCAR.com.
The No. 11 Joe Gibbs Racing was flagged for a rear suspension violation.
Crew chief Mike Wheeler was slapped with $50,000 fine and suspended for two races. The team lost 25 owner points and 25 driver points, in addition to Hamlin's first-place finish being ruled encumbered.
That wasn't the only bad news for JGR. In the XFINITY Series, the No. 18 was also flagged for a rear suspension violation. Crew chief Eric Phillips was fined $25,000 and suspended from two races.