NASCAR discovered that AJ Allmendinger's team made an unapproved adjustment before Saturday's practice and qualifying.

After lobbying by drivers and teams, NASCAR is considering increasing horsepower of Cup Series cars for short track events.

Despite being able to practice and qualify, AJ Allmendinger will not start from P17 on Sunday as NASCAR hands out his ...

The emergence of AJ Allmendinger and Kaulig Racing has been one of the more notable stories of the 2025 NASCAR Cup Series ...

NASCAR has penalized A.J. Allmendinger and his No.16 team at Kaulig Racing after issues following inspection at Nashville ...