motor oil brand that sponsors nascar drivers Crossword Clue

 The answer to the crossword clue "motor oil brand that sponsors NASCAR drivers" is MOBIL 1.

Mobil 1 is a synthetic motor oil brand that has been sponsoring NASCAR drivers for many years. It is the official motor oil of NASCAR and is used by many of the top teams in the sport. Mobil 1 is known for its high performance and reliability, and it is trusted by NASCAR drivers to keep their engines running smoothly.

Here are some other possible answers to the clue, depending on the length of the clue and the other clues in the puzzle:

5 letters: PENNZOIL

6 letters: VALVOLINE

7 letters: CASTROL

8 letters: ROYAL PURPLE

9 letters: SYNTHETIC

I hope this helps!