(AP Photo/Charlie Neibergall)

DES MOINES, Iowa (AP) NASCAR denied Ross Chastain's appeal Wednesday after his race-winning truck was disqualified following a postrace inspection at Iowa Speedway over the weekend.

National Motorsports Appeals Panelist Bryan Moss heard Chastain's appeal and chose to uphold the original penalties assessed by NASCAR for the No. 44 being too low. Niece Motorsports owner Al Niece had said the truck passed opening and pre-race inspections and may have suffered minor damage during the race that left it too low.

Chastain's disqualification was the first under strict new rules put in place this season to deter cheating and it was the first time this year a winning car had been DQ'd on race day.

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