Genuine NGK Iridium IX Spark Plugs. TOYOTA MR2 2.0, 3S-GE ENGINE. TOYOTA MR2 2.0 TURBO, 3S-GTE ENGINE. - Fine Iridium tip ensures high durability and a consistently stable spark. (Heat 7) set of 4. - Heat grade 7 for mildly tuned engines / standard in many high perform ance cars.
