The NGK 4742 Laser Iridium Spark Plug (KR8DI) is crafted to meet the demands of performance enthusiasts, offering robust durability and consistent spark performance. Engineered with a fine wire center electrode, it ensures longevity and maintains a stable spark throughout its service life. The spark plug's iridium alloy construction boasts an exceptionally high melting point, perfectly suited for today's advanced high-performance engines. Additionally, trivalent metal plating provides superior anti-corrosion and anti-seizing properties, while corrugated ribs prevent flashover. The pure alumina silicate ceramic insulator enhances strength and facilitates efficient heat transfer, complemented by a copper core that aids in heat dissipation. Triple seals prevent leakage, ensuring reliability and maintaining peak engine performance. The NGK 4742 Laser Iridium Spark Plug is an ideal choice for enthusiasts seeking both durability and performance in their engines.

Part number: KR8DI