NGK

NGK is the leader in Motorcycle Spark Plugs, with spark plugs for virtually every Motorcycle, ATV, and Scooter application in the world. Utilizing a wide variety of materials, from standard copper-core type to Iridium, NGK is the world's leader in spark plug engineering and technology. They are OEM approved and specified by more motorcycle manufacturers than any other spark plug company including Honda, Kawasaki, KTM, Suzuki & Yamaha.