NGK Iridium IX Spark Plug #7397 TR5IX 4-PAK | 26

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NGK Iridium IX Spark Plug 7397 #41-TR5IX 4-PACK Designed specifically for the performance enthusiast. Iridium IX offers extreme ignitability, improved throttle response and superio r anti-fouling. Fine-tipped iridium-center electrode ensures high durability and consistently stable spark Iridium alloy with an extremely high melting point Tapered ground electrode maximizes fuel burn Outstanding acceleration, high fuel efficiency and durability Ultimate design, technology and performance Show more