Harley-Davidson Gold Spark Plugs

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  • Regular price $10.78
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A special thread and shell coating ensures quick and easy removal from aluminum heads and resists corrosion.

  • Gold palladium insert extends life and improves resistance to corrosion
  • Tapered tip provides better spark exposure to air/fuel mixture and allows the mixture to flow more easily through gap area for maximum combustibility
  • Fouling resistance is improved with smaller diameter center electrode wire and insulator tip
  • Copper-cored ground electrode runs cooler for extended life
  • Anti-seize coating on threads
  • Each sold separately
  • 5R6AG

Fits late '78-'84 Shovelhead and '84-'99 Evolution® 1340-equipped models or use in place of Nos. 5R6A and 5RL.


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