GReddy Pro ISO-P08 Spark Plug SpecificationsMade in Japan by GReddy these cold spark plugs have been specifically designed to operate at higher temperatures helping to disperse heat inside the cylinders. This improves combustion overall performances and engine reliability reducing the risk of knocking.Particularly adapted to sporty and tuned Japanese engines that have to withstand intensive use (trackdays races drifting) these platinum spark plugs have a more powerful spark than their iridium equivalent platinum being a better electrical conductor. They are fully compatible with the following engines :Toyota1JZ-GE 1JZ-GTE 2JZ-GE 2JZ-GTE (Supra Chaser Aristo...)1NZ-FE (Yaris TS...)1UZ-FE 3UZ-FE (Lexus LS400 LS430 SC400 SC430 Toyota Crown)1ZZ-FE 2ZZ-GE (Celica Corolla MR-S Lotus Elise Exige)3S-GE 3S-GTE 3S-FE (Celica GT-Four MR-2...)4A-FE 7A-FE7M-GE 7M-GTE (Supra)NissanSR20DE SR20DET (S13 S14 S15)KA24DE (Silvia)VG30E VG30DE VG30DETT (300ZX)RB25DE RB25DET (Skyline Laurel...)HondaB16 B18 B20 (Civic Integra...)C30 C32 (NSX)D15 D16 D17 (Civic...)F20 F22 (S2000)H22 (Prelude)K20 K24 (Civic...)Subaru : EJ20 EJ22 EJ25 (Impreza turbo Legacy Forester)Suzuki : M16A (Swift Sport ZC31)Daihatsu : JB-DET (Copen)As well as certain European models : Audi BMW Porsche Renault Volkswagen...