The NGK (5574) BPM8Y spark plugs are a must-have addition to your engine workshop. These high-performance individual spark plugs are designed with superior durability and reliability in mind. The dual common-earth design ensures even heat distribution, optimizing fuel combustion and reducing flame-out. The new cella coating provides excellent spark ignition performance, allowing for optimal engine performance and longevity. These spark plugs are packaged in a sturdy boxed set, making them easy to store and distribute. With their exceptional quality and value, NGK (5574) BPM8Y spark plugs are a reliable choice for any engine repair or maintenance task.