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  • Engine additive since 1954

Engine additive since 1954

Clue: Engine additive since 1954

We have 1 possible answer for the clue Engine additive since 1954 which appears 1 time in our database.

Possible Answers:

  • STP

Last seen in:

  • New York Times - Jul 9 2018

Related Clues:

  • 'The Racer's Edge'
  • Nascar sponsor
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  • Big initials at Indy
  • Indy 500 sponsor
  • Racing car product
  • 60's-70's hallucinogen
  • Racer's sponsor, perhaps
  • Gas additive
  • 'The Racer's Edge' sloganeer
  • Big name at Indy
  • Indy 500 advertiser
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