They are certainly alot cheaper than most plugs,the only thing that concerns me is someone said that this plug was not for an RB26 engine and is slightly smaller meaning it does not connect to the coil as it should.

Trivalent Metal Plating - superior anti-corrosion and anti-seizing properties - no anti-seize lubricant needed! Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more!

Warranties are invalid if the product is used for racing, rallying, drifting, track days or any other form of motorsport or competition.

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PayPal Credit is a trading name of PayPal UK Ltd, Whittaker House, Whittaker Avenue, Richmond-Upon-Thames, Surrey, United Kingdom, TW9 1EH. The top half of the plug is shorter the lead has trouble reaching and is a bit of stretch, which can then cause a weak spark/missfire on it's own. When turbocharging or adding any form of forced induction to an engine, care needs to be taken around controlling detonation of the mixture.

The higher the number, the more the spark plug will be "cold", and more adapted to tuned engines and sporty use. Our friendly parts advisors have a wealth of knowledge and expertise so feel free to ask them any questions. As a result, these spark plugs offer several advantages such as enhanced throttle response, superior anti-fouling properties, improved fuel efficiency (MPG), easier cold starts, and an extended lifespan. Moreover, the Iridium IX spark plugs excel in all areas where traditional spark plugs made of nickel may encounter limitations.The winning combination contributes to an overall increase in performance, surpassing the capabilities of standard nickel spark plugs. Die Schlüsselnummern (KBA-Nummer) Ihres Fahrzeuges finden Sie auf der zweiten Seite des Fahrzeugscheines. Products must be installed by an independent experienced professional mechanic and the suspected defect must be present at the outset. The longer insulator nose prevents fouling, the corrugated ribs on the insulator prevent flashover and a triple gasket seal eliminates combustion gas leakage. Put simply, NGK genuine spark plugs are the workhorse at the heart of smooth-running engines around the world.