NGK SPARK PLUGS NGK Spark Plug 5766

NGK Laser Iridium Spark Plugs deliver reliable ignition performance with minimal wear, keeping your engine running at peak efficiency across extended service intervals. The fine-wire iridium and platinum electrode design resists fouling and maintains stable combustion, translating to better fuel economy and lower emissions without sacrificing power. If you're looking for a dependable spark plug that handles both street and track duty, this is the engineering-grade solution you need.

• Fine wire iridium center electrode
• Fine wire platinum ground electrode
• Superior ignitability and long service life
• Stable idle quality
• Anti-fouling properties
• Improved fuel efficiency
• Lower emissions output
• Trivalent metal plating
• Anti-corrosion and anti-seizing
• Corrugated rib design
• Prevents flashover
• Pure alumina silicate ceramic insulator
• Superior insulator strength
• Enhanced heat transfer
• Copper core construction
• Triple seal system
• MPN: 5766