Full set for your vehicle of Iridium IX Spark Plugs represent the ultimate evolution of spark plug technology and Performance. Iridium is significantly stronger than any metal used in spark plugs today. Its also the hardest Metal used which Has Allowed NGK Engineers to design and ultra fine center electrode reducing the voltage requirement for Spark.
The design of the Ultra-fine center electrode is designed not too thin to ensure maximum durability and life of the spark plug and not too thick for an accurate and consistent spark. Iridium IX Delivers the performance and durability to meet the demands and expectations of those who expect Nothing but the Best.
Iridium IX Spark Plugs offer outstanding acceleration, high fuel efficiency and long life!
