The NGK Iridium IX spark plugs offer improved throttle response; superior anti-fouling and high-ignitability; which makes Iridium IX ideal for the performance enthusiast. Iridiums extremely high melting point is perfectly suited to todays high-temperature engines; delivering outstanding acceleration; fuel efficiency and durability. – 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
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