NGK 5599 Laser Iridium Spark Plug - ITR4A-15 is tailored for performance enthusiasts seeking reliable ignition performance. It boasts a fine wire center electrode that ensures exceptional durability and consistently stable sparks, essential for today's high-tech engines. The iridium alloy construction, with its high melting point, perfectly suits modern high-performance engines. Trivalent metal plating enhances corrosion resistance and prevents seizing, while corrugated ribs prevent flashover. Its pure alumina silicate ceramic insulator provides superior strength and efficient heat transfer, complemented by a copper core that aids in heat dissipation. Triple seals prevent potential leakage, ensuring long-term reliability under demanding conditions.

Part number: ITR4A-15