Probst details patents, supplier oversight, and spending caps as NASCAR counters antitrust accusations from 23XI and Front ...

NASCAR’s antitrust trial sees Denny Hamlin dispute spending data as experts detail costs, competition, and team expansion issues.

NASCAR began presenting its defense with Executive Vice President and Chief Racing Development Officer John Probst and a ...

NASCAR Cup Series cars will use a simplified diffuser on short tracks and road courses this season. As part of a continued push for more competitive racing, Cup Series teams received a technical ...

The NASCAR Cup Series will run a simplified diffuser at a majority of the tracks 1-mile or less in length, as well as all road courses, the sanctioning body announced Wednesday. The change is part of ...

NASCAR made some changes to its Cup Damaged Vehicle Policy following the race at Bristol Motor Speedway. Teams can now replace the diffuser flaps while preparing a vehicle. “NASCAR updated its Cup DVP ...

Dale Earnhardt Jr. did not hold back his thoughts on NASCAR’s Next Gen car. On the Dale Jr. Download podcast, Earnhardt aired out his frustrations with the car and the state of NASCAR after watching ...