NHRA
Set to 2 different clues across 2 published puzzles, most often “Drag racing org.” — The New York Times, Tuesday, 2 February 2010.
4 letters
Every clue on record, most used first
- Drag racing org.once
The New York Times — Tuesday, 2 February 2010
- Dragsters' org.once
The New York Times — Wednesday, 5 January 2000