“Longtime NASCAR sponsor” crossword clue

Reveal the answer to see why it works and where this clue has appeared before.STP is the answer to the New York Times crossword clue “Longtime NASCAR sponsor”. It was last seen in the puzzle of December 10, 2025, where it runs at 5 Down and fills 3 squares. It crosses 3 other entries in that grid — those are listed below and are the quickest way to confirm the letters you already have. This exact clue has run 3 times in NYT puzzles, first on December 10, 2025.