POINTS WHEN YOU BUY PRECIOUS METAL THIS AUTUMN
OFFER ENDS 31 DECEMBER 2022
WHY PRECIOUS METAL SPARK PLUGS TICK ALL THE BOXES
It's a fact that todays’ highly advanced engine designs require equally advanced components. NGK's Precious Metal Spark Plugs such as Iridium and Platinum tick all the boxes. They combine outstanding performance and durability while delivering the benefits of increased economy and lower emissions.That’s why vehicle manufacturers specify them and that’s why fitting a lower grade spark plug should always be a non starter.
That’s why vehicle manufacturers specify them and that’s why fitting a lower grade spark plug should always be a non starter.
Improved durability is key requirement in todays’ highly advanced engine designs that's why we employ precious metals such as Iridium and Platinum because they tick all the boxes when it comes to durability. They are extremely hard wearing materials with very high melting points and resistance to oxidation or fouling, much more so than nickel alloys making them an ideal choice for extending the service life of the spark plug.
IMPROVED IGNITION QUALITY
Employing precious metals such as Platinum or Iridium at the tips of the electrodes allows for a reduction in the diameter of the centre electrode by around 80%. Typically a nickel plug electrode will be 2.5mm whereas a precious metal plug will be between 0.6 and 0.4mm. By reducing the absorption of heat energy it improves ignition quality and reliability over the entire expected service life of the spark plug.
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