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 2016 – 2019 Buick Cascada 2016 – 2020 Buick Encore 2016 – 2019 Chevrolet Cruze 2018 – 2020 Chevrolet Equinox 2016 – 2020 Chevrolet Malibu 2021 Chevrolet Trailblazer 2019 Chevrolet Trax 2018 – 2020 GMC Terrain What’s In The Box? 1 – Nickel Spark Plug Warranty 60 Day Warranty