NGK Resistor & Iridium Spark Plugs


NGK Iridium IX Spark Plugs are the most technologically advanced high performance plugs available. Featuring a 0.6 mm iridium center electrode tip, they offer superior ignitability without sacrificing durability. The tapered ground electrode increases flame kernel expansion, while the superior heat range design is ideally suited to the demands of high performance environments. Specially designed to meet the needs of serious enthusiasts, Iridium IX Spark Plugs offer outstanding acceleration, high fuel efficiency and long life.

We also offer direct OEM replacement resistor spark plugs from NGK. Sold in pairs only.


OEM Replacement & Performance Upgrade Spark Plugs.

Fits all 2001-2016 Triumph 790cc & 865cc oil & air-cooled twins.

Sold in pairs.