Clue: Prominent NASCAR sponsor

Answer: STP

Length: 3

---

Similar Clues:

• Longtime sponsor in NASCAR events (STP with 3 letters)
• ___ Racing (insurance sponsored NASCAR team) (AFLAC with 5 letters)
• NASCAR sponsor since 1971 (STP with 3 letters)
• NASCAR sponsor (e.g. STP with 3 letters)
• Noted NASCAR sponsor (STP with 3 letters)
• Longtime NASCAR sponsor (STP with 3 letters)
• Iconic Nascar sponsor (STP with 3 letters)
• Long time NASCAR sponsor (STP with 3 letters)
• NASCAR sponsor since 1970 (STP with 3 letters)
• Additive that sponsors NASCAR racers (STP with 3 letters)