The NGK Iridium IX spark plug is engineered for enthusiasts seeking improved acceleration, fuel efficiency and anti-fouling compared with conventional plugs. A fine iridium center tip and tapered ground electrode deliver extreme ignitability, better starting and enhanced throttle response. Trivalent plating and triple seals aid corrosion protection and reliable service life, making these a durable OE-equivalent upgrade for high-temperature engines.
NGK IX Iridium Spark Plug Box of 4 (TR7IX)