NGK Spark Plugs 90410 LKR6E9N Laser Iridium Spark Plugs 4-Pack

NGK LKR6E9N spark plugs deliver superior performance and longevity through advanced laser-welded iridium technology. These premium spark plugs feature an ultra-fine 0.6mm iridium center electrode that provides optimal ignitability and requires lower voltage, ensuring consistent starts and efficient combustion across a wide range of operating conditions.

Key Features:

• Laser-welded iridium center electrode for maximum durability and performance
• Triple gasket sealing process eliminates gas leakage past the shell
• 99% pure alumina silicate insulator for superior dielectric strength and heat dissipation
• Solid copper core for excellent heat conductivity and thermal performance
• Corrugated ribs prevent flashover and maintain reliable ignition
• Cold-rolled threads protect cylinder head during installation
• Trivalent plating with silver chromate and zinc provides superior corrosion resistance

NGK spark plugs are the choice of more automotive, motorcycle, and marine engine manufacturers worldwide. The LKR6E9N plugs deliver improved throttle response, reduced emissions, and extended service life compared to conventional spark plugs. Sold in standard 4-piece packs.