NASCAR announces O’Reilly Auto Parts as successor to Xfinity Series sponsorship

O'Reilly Auto Parts is set to become the new title sponsor for NASCAR's second-tier series starting January 1, 2026, renaming it the NASCAR O'Reilly Auto Parts Series. This marks the fourth title sponsorship change in the series' history. NASCAR President Steve O’Donnell highlighted the partnership's significance, emphasizing the shared American roots and passion.

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