Laser Iridium Spark Plug by NGK NGK Laser Iridium spark plugs provide superior ignitability and long service life. Fine wire iridium tipped center electrode and fine wire platinum tipped ground electrode ensures slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency and lower emissions. Features Trivalent metal plating Corrugated ribs Pure alumina silicate ceramic insulator Copper core aids in heat removal Triple seals prevent leakage Benefits Superior anti fouling Improved fuel efficiency Lower emissions Applications Universal What’s In The Box? 1 – Nickel Spark Plug Warranty 60 Day Warranty