Spark plug NGK BR8HIX Iridium

Spark plug NGK BR8HIX Iridium.

• Pure racing spark plug.

Iridium spark plugs from NGK are currently the most technically advanced solution. They feature an iridium alloy tip on the middle electrode. This tip is laser-welded in place using a special method.

The precious metal iridium is one of the hardest metals in the world. It only melts from 2450 °C and is very resistant to spark erosion. Using this metal doubles the service life of these spark plugs compared to standard spark plugs.

Thanks to this precious metal, the middle electrode can also be made with a thickness of 0.6 mm, i.e. substantially thinner. This measure significantly reduces the necessary ignition voltage and contributes to improving the expansion of the flame front in the combustion chamber.

Iridium spark plugs generate a self-cleaning effect. Regardless of the operating temperature, electrical discharges take place in the ring gap between the middle electrode and insulator. They remove any soot particles present and thereby guarantee that the ignition voltage is not diverted.