The NGK 91112 Laser Iridium Spark Plug - DIFR5E11 is meticulously crafted for performance enthusiasts seeking durability and consistent spark performance. Its fine wire center electrode, made from iridium alloy with an exceptionally high melting point, ensures longevity and stable sparks crucial for modern high-performance engines. The spark plug features trivalent metal plating for superior anti-corrosion and anti-seizing properties, while corrugated ribs prevent flashover, maintaining reliable ignition. A pure alumina silicate ceramic insulator provides superior strength and improves heat transfer efficiency, essential for engine longevity. Additionally, a copper core aids in effective heat dissipation, contributing to optimal engine performance. Triple seals on the spark plug prevent leakage, ensuring reliability under various operating conditions. Engineered to NGK's stringent standards, this spark plug is an excellent choice for maximizing engine performance and durability.

Part number: DIFR5E11