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 6) set of 4. - Heat grade 6 for mildly tuned engines / standard in many high perform ance cars.
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