NGK Iridium IX spark plugs are designed specifically for the performance enthusiast. Iridium IX spark plugs offer extreme ignitability, improved throttle response and superior anti-fouling.
- Fine wire Iridium center electrode ensures high durability and a consistently stable spark
- Iridium alloy has an extremely high melting point, perfect for todays high-performance engines
- Trivalent metal plating has superior anti-corrosion and anti-seizing properties
- Special taper-cut ground electrode shape to allow for more area for flame expansion
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