As the world’s leading ignition specialist, NGK delivers unbeatable spark plugs and sensors engineered for peak motorcycle performance. Trusted by factory teams and manufacturers like Honda, Yamaha, and Ducati, NGK’s precision technology ensures optimal combustion, smoother throttle response, and maximum engine efficiency. With innovations like iridium tips and anti-fouling designs, NGK plugs dominate both racetracks and streets. The #1 choice for riders who refuse to compromise on power and reliability.