NGK iridium plugs represent the ultimate evolution of spark plug technology and performance. The iridium center electrode is both stronger and harder than platinum. This allows NGK engineers to design an ultra-fine (0.6mm)center electrode reducing the vol
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- fine wire center electrodes ensure high durability and consistently stable spark
- iridium alloy has an extremely high melting point, perfect for today's high-tech, high-performance engines
- pure alumina silicate ceramic insulator provides superior strength and better heat transfer
- copper core aids in heat removal
- triple seal prevents leakage
- Fit type: Vehicle Specific
