Iridium IX Spark Plug by NGK NGK IX Iridium Series plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today’s high-tech, high performance engines. Features Trivalent metal plating Corrugated ribs Pure alumina silicate ceramic insulator Copper core aids in heat removal Triple seals prevent leakage Benefits Prevents flashover Provides superior anti-corrosion and anti-seizing properties Provides superior strength and better heat transfer Applications 1990 – 1991 Acura Integra GS/LS/RS 1988 Chevrolet Nova Twin Cam 1981 Ford Escort 1988 – 1991 Honda CRX 1988 – 1990 Honda Prelude 1998 – 2000 Mercedes-Benz SLK230 1981 Mercury Lynx 1984 – 1988 Nissan 200SX 1986 – 1989 Nissan D21 1987 – 1989 Nissan Pathfinder 1989 – 1990 Nissan Pulsar NX 1989 – 1990 Nissan Sentra 1984 – 1989 Nissan Stanza 1987 – 1991 Toyota Camry 1986 – 1989 Toyota Celica 1985 – 1989 Toyota Corolla 1989 – 1992 Toyota Cressida Luxury 1985 – 1989 Toyota MR2 GT 1986 – 1992 Toyota Supra What’s In The Box? 1 – Iridium IX Spark Plug Warranty 60 Day Warranty