NGK Beta 300RR (13-15|18-) Iridium Spark Plug

-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

NGK Beta 300RR (13-15|18-on) Iridium Spark Plug
Produced by NGK of Japan