NGK Spark Plugs for Harley Davidson

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NGK Spark Plugs are engineered for reliable performance, durability, and efficient combustion. Built with premium materials and advanced construction, these plugs provide consisten t spark delivery and long service life. Features: SOLD INDIVIDUALLY! Trivalent metal plating provides superior anti-corrosion and anti-seizing properties Pure alumina silicate ceramic insulator for superior strength and improved heat transfer Triple seals help prevent leakage Corrugated ribs help prevent flashover Copper core aids in efficient heat removal Designed for reliable ignition performance and durability Show more