NGK -- The world leader in spark plugs, wires, and O2 sensors for every automotive, industrial, marine, recreational vehicle, and lawn and garden use. NGK's attention to performance excellence sparks that kind of commitment. It's what has made NGK the world leader. From our technologically advanced racing spark plugs and cold performance Iridium IX line, to our economical OEM quality replacement plugs, NGK is the spark plug of choice for millions of drivers. It's the same for non-automotive uses. Small engine manufacturers like Briggs and Stratton, Polaris, Bombardier, Yamaha, Kawasaki, and Toro all depend on NGK quality for their power plants more... See more text