NGK Iridium Racing spark plug - R7434-10

High-quality racing iridium spark plug with a heat value of 10.Long life compared to traditional copper candles! Reliable operation in both factory and tuned engines!Its main characteristic is the special iridium electrode. Thanks to the high material density of iridium, it is a good electrical conductor and can withstand very high temperatures (iridium's melting point is 2446 degrees Celsius).Spark Plug size: 16mmAdvantages:- reliable arc ignition- high ignition intensity- almost 100% utilization of air and fuel- reliable ignition in all operating conditions (cold and hot)- engine flexibility and performance improves and increases- engine operation becomes stableWe recommend for the following models:- Mitsubishi Lancer EVO 1, 2, 3, 4, 5, 6, 7, 8 (this spark plug is not good for EVO 9!)- Nissan Skyline R33, R34 RB25DET seriously modified versions- Seriously modified versions of Nissan Sylvia S13, S14, S15 SR20DET- Nissan Fairlady Z (300ZX) VG30DETT seriously modified versions- Toyota Supra with 7M-GTE or 2JZ-GTE engine over 700 horsepower- Toyota Celica ST185, ST205 GT4, MR2 with 3S-GTE engine over 600 hpIf you have the proven spark plug, but you can't find it on the webshop, then contact us, we will definitely be able to get it for you!