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Tune-Up Kit


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In stock online.
Model # 4538740 | Mfg # 5090Q1

Mercury Marine 391-5090Q-1 Tune-Up Kit

  • Fits Ford & GM V-8 Engines with Mallory Ignition.
  • See application chart for specific models.

Tune-Up Kit

Compatibility Ford & GM V8/Mallory
Type Tune Up Kits

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