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Harley-Davidson ® Gold Spark Plugs 10R12X

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
Fits '08-'12 XR models.
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