NGK is the world’s largest manufacturer of spark plugs and oxygen sensors, trusted as the primary OEM supplier for major automakers across the globe. When it comes to ignition performance, NGK sets the absolute standard. For tuned, forced-induction, and high-compression engines, NGK’s Iridium IX and Ruthenium HX spark plugs provide incredibly focused spark energy, resulting in faster starts, smoother idling, completely eliminated misfires under heavy boost, and vastly superior durability compared to standard copper plugs.

• The Global OEM Standard: The exact same precision Japanese engineering trusted by the world's leading car manufacturers directly from the factory.

• Advanced Precious Metals: Iridium and Ruthenium tips provide highly concentrated spark energy and last significantly longer than traditional plugs.

• Prevents Spark Blowout: The absolute go-to choice for high-boost turbo and supercharged applications to ensure complete combustion.

• Comprehensive Ignition: Also offers a premium line of high-output ignition coils and NTK-branded precision oxygen sensors.

Ensure perfect combustion, smooth drivability, and maximum horsepower with the unmatched reliability of NGK Spark Plugs.