NGK SPARK PLUGS IRIDIUM IX SPARK PLUG SPARK PLUG NGK #IFR5L-11

The ultimate in the evolution of spark plug technology and performance from the industry leader The iridium electrode is 25% smaller than a platinum electrode, and it's just 1/4 the size of a conventional nickel electrode Ultra-small-diameter center electrode reduces voltage requirement and extends ignition system life Metal shell plating has enhanced anticorrosion qualities IRIDIUM IX SPARK PLUG Iridium IX Platinum Spark Plug SPARK PLUG NGK #IFR5L-11