NGK SPARK PLUGS NGK Spark Plug 4709

NGK's Laser Iridium spark plugs deliver reliable ignition performance with extended service intervals, reducing the need for frequent replacements and keeping your engine running at peak efficiency. The fine-wire iridium and platinum construction ensures superior ignitability across a wide RPM range, making these plugs ideal for both street and track applications where consistent combustion matters. Built with corrosion-resistant materials and precision engineering, these plugs maintain stable idle and lower emissions over thousands of miles.

• Fine wire iridium center electrode
• Platinum-tipped ground electrode
• Slow wear rate design
• Superior anti-fouling performance
• Improved fuel efficiency
• Lower emissions output
• Trivalent metal plating
• Anti-corrosion protection
• Anti-seizing properties
• Corrugated ribs prevent flashover
• Pure alumina silicate insulator
• Enhanced heat transfer capability
• Copper core heat removal
• Triple seal design
• Prevents leakage
• MPN: 4709