NGK's 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