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 Stable idle Superior anti fouling Improved fuel efficiency and lower emissions Prevents flashover Provides superior anti-corrosion and anti-seizing properties Provides superior strength and better heat transfer Applications 2014 – 2016 Cadillac ELR 2011 – 2016 Chevrolet Cruze 2012 – 2018 Chevrolet Sonic 2011 – 2015 Chevrolet Volt What’s In The Box? 4 – Laser Iridium Spark Plug Warranty 60 Day Warranty