Triumph NGK Iridium spark plug

The ultimate in the evolution of spark plug technology and performance from the industry leader.
The iridium electrode is 25% smaller than a platinum electrode, and it's just 1/4 the size of a conventional nickel electrode.
Ultra-small-diameter center electrode reduces voltage requirement and extends ignition system life.
New metal shell plating has enhanced anticorrosion qualities.
Compatible motorcycles:
Bonneville (all) ← 2015 (air cooled)
Thruxton (all) ← 2015 (air cooled)
Scrambler (all) ← 2016 (air cooled)