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Cars > Car Spark Plugs

Car Spark Plugs

We stock a wide range of Denso Iridium, Denso Iridium Tough and Splitfire "Split V" Spark Plugs. To find the correct spark plugs for your UNMODIFIED car, click on the product locators below and enter your car details. If your car is MODIFIED, you may need a cooler plug. Please contact us for a spark plug recommendation.

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Denso Iridium Spark Plugs

DENSO’s patented iridium alloy is extremely tough and wear-resistant. This makes it possible to produce a spark plug with a centre electrode of just 0.4 mm. Denso Iridium spark plugs give a stronger spark and better ignition performance in all areas of driving. These plugs can withstand even the most severe conditions and have proven themselves in original equipment and racing.

Denso Iridium Tough Spark Plugs

Iridium Tough plugs use the same 0.4mm center electrode technology but also benefit from a platinum contact on the earth electrode. This gives all the performance benefits seen in the Iridium Power plugs, together with an extremely long life. These plugs are particularly beneficial in high powered turbo application where plug life has historically been problematic.

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