NGK spark plugs are a leading brand known for OE-quality ignition components, manufactured in Japan and trusted by many automakers for their reliability and performance. They offer a range of plugs, including nickel, iridium, and platinum, featuring innovations like a 98% copper core for heat dissipation and specific electrode designs for improved ignitability. NGK plugs are available for a wide variety of applications, from standard vehicles to high-performance racing and non-automotive uses.