Ngk 6x Iridium Ix Upgrade Spark Plugs 6684

NGK 6x Iridium IX Upgrade Spark Plugs - 6684. We apologise in advance for any inconvenience caused. 1 - Earthed Electrode / interference Suppression 5 kOhm / Iridium Middle Electrode / Unscrewable SAE connector / with gasket seat. Designed specifically for the performance enthusiast.

Specially designed to meet the needs of serious enthusiasts, Iridium IX Spark Plugs offer outstanding acceleration, high fuel efficiency and long life. The appropriate NGK spark plugs are designed solely for use in automotive engines. NGK spark plugs should not be used in aircraft engines. Resistor plugs should always be used where they are recommended by the manufacturers. The use of non-resistor plugs could, in some cases, result in interference with and/or damage to electronic components.
It remains the responsibility of you (the customer) to check the specification of this spark plug and carefully compare to your original before ordering/installing.