NGK Iridium IX spark plug reference IFR6T11 for LOTUS Elise S2 111R (Toyota engine)

NGK Iridium IX spark plug, reference IFR6T11 for LOTUS Elise S2 111R (Toyota engine)

NGK Iridium IX spark plugs are the most highly developed solution on the market.
They have a fine Iridium tip on the central electrode, laser welded during a special process.
Iridium is a precious metal and one of the most solid materials available.
It has a melting point of 2,450° C so is highly resistant to electrical erosion caused by the spark.
The service life of an Iridium spark plug is two and half times that of a standard spark plug.

The use of Iridium makes it possible to:
- Reduce the central electrode to a very fine tip just 0.6 mm in diameter/optimised flame propagation.
- Reduce the ignition voltage.
- Improve the spread of the flame front in the combustion chamber. Easier starting.
- Less voltage required.
- Fuel savings of up to 5%.
- Better engine responsiveness (up to 0.7 seconds gained on a 0 to 100 km/h).
- Exterior anti-corrosion and anti-seizing plating.
- Reduced pollutant emissions.
- More stable engine idle with fewer vibrations.
- 2-Step Technology: prevents deposits building up on the insulator, thanks to a cleaning processing involving an electrical arc.

Hex diameter: 16.0 mm
Thread diameter: 14.0 mm
Thread lenght: 19.0 mm
Electrodes gauge: 1.1 mm
Resistor: 5 kOhm

Spark plug for:
- LOTUS Elise S2 111R (Toyota 2ZZ-GE engine), year 2004.