Listen to this article Keselowski’s No. 6 Ford Mustang was found to have made modifications to parts supplied from a NASCAR vendor. The team was one of two chosen (the other being the No. 9 Hendrick Motorsports Chevrolet) to have their cars taken back to the NASCAR R&D Center for a full teardown following the race at Atlanta. NASCAR stated before the season that any modifications to supplied parts on the Next Gen cars would result in severe penalties. Read Also: This L2-level penalty will leave Keselowski/RFK docked 100 driver and owner points, as well as ten playoff bonus points. Crew chief Matt McCall has been fined $100,000 and suspended for the next four points-paying races. Keselowski remains eligible for the playoffs, but the penalty has dropped him from 16th in the standings down to 35th. He has scored 122 points this seaso …