NGK R7438-9 (4656) – Racing Spark Plug / Sparkplug
- Fine Wire Centre 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 Flash-over
- Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer
- Copper Core Aids in Heat Removal
- Triple Seals Prevent Leakage
NGK Spark Plugs can be found in every racing venue throughout the world. Whether you’re a weekend warrior or an accomplished racer NGK Racing Spark Plugs are sparking winners.