Iridium Spark Plugs by NGK Spark Plug - IFR9H-11 - 6588

Iridium Spark Plugs by NGK Spark Plug - IFR9H-11 - 6588

Fine iridium tip ensures high durability and a consistently stable spark. Trivalent metal plating for superior anti-corrosion and anti-seizing properties. Outstanding acceleration, high fuel efficiency and durability. Ultra-small-diameter center electrode reduces voltage requirement and extends ignition system life. Metal shell plating has enhanced anticorrosion qualities.