NGK 2667 BKR7EIX Iridium IX Spark Plug

Iridium centre electrode (0.6mm diameter).
Better ignition with less power needed.
Higher performances compared to classic spark plugs.
Taper Cut ground electrode (Better flame spread).
2 to 3 times more lifetime in comparison with standard plugs.
Better stability.
Less fuel consumption.
Stronger accelerations / More reaction from the engine.
Corrosion proof alloy.
Cleaner combustion / Less unburned fuel.
Easier cold start.
Smooth Idle / Less vibrations.