NGK IFR5J11 7418 Spark Plug Iridium

The NGK IFR5J11 7418 Iridium Spark Plug is engineered for enduring performance and reliable ignition. Featuring a fine-iridium center electrode, this 14mm spark plug delivers fast, consistent sparks for enhanced throttle response, smoother idling, and improved fuel efficiency. The iridium alloy resists electrode wear, extending service life even under high-temperature and high-RPM conditions. With a robust heat range and precise gap, it suits a wide range of modern engines, providing dependable starts, reduced fouling, and stable performance across varied driving demands. Ideal for enthusiasts seeking longevity and dependable ignition without frequent changes.