NASCAR has issued penalty notices to Penske Racing's #22 Nationwide Series team and to the driver of the #30 Turner Scott Motorsport car, former F1 competitor Nelson Piquet Jr.

In the case of the race-winning #22, the penalty had been expected after it emerged that the car had failed a post-race front ride height technical inspection after the 5-Hour ENERGY 200 NASCAR Nationwide Series race at Dover International Speedway on Saturday afternoon.

As a result of this violation, crew chief Jeremy Bullins has been fined $10,000 and owner Roger Penske has been docked with the loss of six championship series car owner points.

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However the penalty does not change the official outcome of the race, and Joey Logano retains the win over TSM's Kyle Larson. Logano does not lose any driver points as he is not registered as an official participant in the Nationwide Series; under current NASCAR rules a driver can only claim championship points in one of the three national-tier series and in Logano' case that's in the Sprint Cup where he is currently competing in the 2013 Chase for the title.

Also receiving a penalty was TSM's second driver Nelson Piquet Jr., a former Renault F1 driver in 2008-9 who has since worked his way up through NASCAR's Camping World Truck Series and now competes full time in the Nationwide Series.

Piquet's infringement came off the track in the form of a social media media posting that used a particular three-letter word that NASCAR felt was derogatory and offence, and which therefore had no place coming from a competitor in its national series even though it had most likely been intended as part of some light hearted-banter with fellow racer Parker Kligerman.

"Nelson Piquet Jr. recently communicated an offensive and derogatory term that cannot be tolerated in our sport," said Steve O'Donnell, NASCAR senior vice president of racing operations. "NASCAR's Code of Conduct explicitly spells out in the 2013 rule book our position regarding the use of disparaging terms. We expect our entire industry to abide by this Code."

Piquet has been fined $10,000 and required to participate in sensitivity training as directed by NASCAR, and has been placed on indefinite probation for the infraction.

"We have spoken to Nelson about his insensitive comment and he understands that such remarks will not be tolerated at Turner Scott Motorsports," said a statement from the team. "TSM expects those associated with the team to uphold professional standards that we can all be proud of.

"Nelson has assured the team that he has learned his lesson and he knows what it means to represent TSM," the statement added.