DescriptionNew NGK Spark PlugFits the following models:2011-14 RZR 900XPThe ultimate in the evolution of spark plug technology and performance from the industry leaderThe iridium electrode is 25% smaller than a platinum electrode, and it’s just 1/4 the size of a conventional nickel electrodeUltra-small diameter center electrode reduces voltage requirement and extends ignition system lifeNew metal shell plating has enhanced anti-corrosion qualities