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Set of 4 NGK Iridium Grade 7 Spark plugs.
Part number BKR7EIX.
Suitable for all turbo Classic shape Impreza models (92-00) & the New Age WRX or STi models (01-05) excluding 2.5L models.
Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling
Fine Iridium tip ensures high durability and a consistently stable spark
Iridium alloy has extremely high melting point, perfect for high-tech, high performance engines.
Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
Outstanding acceleration, high fuel efficiency and durability
Ultimate design, technology and performance