NGK DCR9EIX Spark Plugs enhance your engine’s performance, providing superior ignition and reliability. Its advanced features are designed for high-temperature engines, ensuring improved throttle response and fuel efficiency. Key features: - Fine Iridium Tip: Guarantees high durability and delivers a consistently stable spark, ensuring reliable ignition and prolonged engine life. - Trivalent Metal Plating: Offers superior anti-corrosion and anti-seizing properties, enhancing the longevity of the spark plug and making maintenance easier and less frequent. - High-Temperature Performance: Engineered for high-temperature engines, it delivers optimal performance under demanding conditions.