8 New NGK Iridium IX Spark Plugs TR55IX # 7164 by NGK
- Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling.
- The 0.6 millimeter laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes....
- Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas....
- Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high performance engines.
- Trivalent Metal Plating provides superior anti-corrosion and anti-seizing properties.