NGK 1 Step Colder Plugs (Set of 4) EJ20 Only
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Series Plugs were Designed Specifically for the Performance Enthusiast.
Center Electrode Ensures High Durability and a Consistently Stable Spark
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
Pure Alumina Silicate Ceramic
, Provides Superior Strength and Better Heat Transfer
Core Aids in Heat Removal
Triple Seals Prevent Leakage
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Clark Turner Tuning.