The NGK 4772 Iridium IX Spark Plug - DR9EIX is tailored for the performance enthusiast, delivering high durability and consistent spark stability. Its fine wire center electrode, made from iridium alloy with an extremely high melting point, is ideal for modern high-tech, high-performance engines. The spark plug boasts trivalent metal plating for superior anti-corrosion and anti-seizing properties, while the corrugated ribs prevent flashover. It is equipped with a pure alumina silicate ceramic insulator for enhanced strength and better heat transfer, along with a copper core that aids in heat removal. Additionally, the triple seals prevent leakage, ensuring reliable and efficient engine performance.

Part number: DR9EIX