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
- Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
- Corrugated ribs prevent Flashover
- Pure alumina silicate ceramic Insulator, provides superior strength and better heat transfer
- Copper Core aids in heat removal
- Triple seals prevent leakage