NGK iridium spark plugs currently represent the highest-quality technical solution. They have an iridium alloy on the centre electrode, which is welded on in a special process with the help of a laser.
The precious metal iridium is one of the hardest metals in the world. Its melting point is 2450ยฐC and it is therefore particularly resistant to spark erosion. By using this metal, the service life is doubled on average compared to conventional spark plugs made of nickel.
Fits on:
- Honda NSR 125R (JC22)
- Honda NSR 125R (JC22/94)







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