NGK single iridium plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high performance engines.

• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties



• Corrugated ribs prevent flashover



• Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer



• Copper core aids in heat removal



• Triple seals prevent leakage