Seller notes

Pack of 6 Genuine NGK 3689 TR6IX Iridium IX Spark Plug 3689 / TR6IX Iridium IX Spark Plug by NGK. NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times hard...

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