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Spark Plugs - NGK Iridium IX Spark Plugs
The improved throttle response, superior anti-fouling and high-ignitability makes NGK Iridium IX® Spark Plugs ideal for the performance enthusiast. Iridium’s extremely high melting point is perfectly suited to today’s high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability.

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Items 26-45 of 45
Description: Spark Plug, NGK Iridium IX, 14 mm Thread, 0.708 in Reach, Tapered Seat, Stock Number 7397, Resistor, Each
Item #: NGKTR5IX
Condition: New
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Description: Spark Plug, NGK Iridium IX, 14 mm Thread, 0.749 in Reach, Gasket Seat, Stock Number 2477, Resistor, Each
Item #: NGKZFR5FIX-11
Condition: New
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Description: Spark Plug, NGK Iridium IX, 14 mm Thread, 0.749 in Reach, Gasket Seat, Stock Number 2667, Resistor, Each
Item #: NGKBKR7EIX
Condition: New
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Description: Spark Plug, NGK Iridium IX, 14 mm Thread, 0.749 in Reach, Gasket Seat, Stock Number 2668, Resistor, Each
Item #: NGKBKR8EIX
Condition: New
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Description: Spark Plug, NGK Iridium IX, 14 mm Thread, 0.749 in Reach, Gasket Seat, Stock Number 2669, Resistor, Each
Item #: NGKBKR9EIX
Condition: New
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Description: Spark Plug, NGK Iridium IX, 14 mm Thread, 0.749 in Reach, Gasket Seat, Stock Number 3764, Resistor, Each
Item #: NGKBKR6EIX-11
Condition: New
Limited Supply: Only 9 Left!
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Description: Spark Plug, NGK Iridium IX, 14 mm Thread, 0.749 in Reach, Gasket Seat, Stock Number 3981, Resistor, Each
Item #: NGKBR9EIX
Condition: New
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Description: Spark Plug, NGK Iridium IX, 14 mm Thread, 0.749 in Reach, Gasket Seat, Stock Number 4055, Resistor, Each
Item #: NGKBPR7EIX
Condition: New
Limited Supply: Only 7 Left!
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Description: Spark Plug, NGK Iridium IX, 14 mm Thread, 0.749 in Reach, Gasket Seat, Stock Number 5044, Resistor, Each
Item #: NGKBR8EIX
Condition: New
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Description: Spark Plug, NGK Iridium IX, 14 mm Thread, 0.749 in Reach, Gasket Seat, Stock Number 6418, Resistor, Each
Item #: NGKBKR6EIX
Condition: New
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Description: Spark Plug, NGK Iridium IX, 14 mm Thread, 0.749 in Reach, Gasket Seat, Stock Number 6441, Resistor, Each
Item #: NGKZFR6FIX-11
Condition: New
Limited Supply: Only 1 Left!
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Description: Spark Plug, NGK Iridium IX, 14 mm Thread, 0.749 in Reach, Gasket Seat, Stock Number 6801, Resistor, Each
Item #: NGKBR10EIX
Condition: New
Limited Supply: Only 0 Left!
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Description: Spark Plug, NGK Iridium IX, 14 mm Thread, 0.749 in Reach, Gasket Seat, Stock Number 6853, Resistor, Each
Item #: NGKBPR9EIX
Condition: New
Limited Supply: Only 7 Left!
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Description: Spark Plug, NGK Iridium IX, 14 mm Thread, 0.749 in Reach, Gasket Seat, Stock Number 6988, Resistor, Each
Item #: NGKBKR7EIX-11
Condition: New
Limited Supply: Only 0 Left!
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Description: Spark Plug, NGK Iridium IX, 14 mm Thread, 0.984 in Reach, Tapered Seat, Stock Number 4344, Resistor, Each
Item #: NGKLTR5IX-11
Condition: New
Limited Supply: Only 0 Left!
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Description: Spark Plug, NGK Iridium IX, 14 mm Thread, 0.984 in Reach, Tapered Seat, Stock Number 6509, Resistor, Each
Item #: NGKLTR6IX-11
Condition: New
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Description: Spark Plug, NGK Iridium IX, 14 mm Thread, 0.985 in Reach, Tapered Seat, Stock Number 2314, Resistor, Each
Item #: NGKLZTR5AIX-13
Condition: New
Limited Supply: Only 0 Left!
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Description: Spark Plug, NGK Iridium IX, 14 mm Thread, 0.985 in Reach, Tapered Seat, Stock Number 2315, Resistor, Each
Item #: NGKLZTR6AIX-13
Condition: New
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Description: Spark Plug, NGK Iridium IX, 14 mm Thread, 0.985 in Reach, Tapered Seat, Stock Number 5107, Resistor, Each
Item #: NGKLZTR7AIX-13
Condition: New
Limited Supply: Only 0 Left!
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Price: $20.36
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Description: Spark Plug, NGK Iridium IX, 14 mm Thread, 0.985 in Reach, Tapered Seat, Stock Number 6510, Resistor, Each
Item #: NGKLTR7IX-11
Condition: New
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Price: $20.36
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Items 26-45 of 45

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More About NGK Iridium IX Spark Plugs

The improved throttle response, superior anti-fouling and high-ignitability makes NGK Iridium IX® Spark Plugs ideal for the performance enthusiast. Iridium’s extremely high melting point is perfectly suited to today’s high-temperature engines, delivering outstanding acceleration, fuel efficiency and durability.

Features:

  • Fine iridium tip ensures high durability and a consistently stable spark
  • Trivalent metal plating for superior anti-corrosion and anti-seizing properties
  • Outstanding acceleration, high fuel efficiency and durability