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NGK IRI Series - Spark Plugs
NGK

NGK IRI-Series Spark Plugs (IRIWAY, IRITOP, IRIMAC) are designed for tuned engines that require a high heat rating; they are Iridium Plugs with excellent ignition and acceleration characteristics.

NGK IRI-Series Spark Plugs (IRIWAY, IRITOP, IRIMAC) are designed for tuned engines that require a high heat rating; they are Iridium Plugs with excellent ignition and acceleration characteristics.

  • Spark plugs with higher heat range of superior cooling characteristics
  • Spark plugs feature an Iridium Center and platinum ground
  • Available in quantities of 1, 4 and 6.
  • Available for a range of vehicles, contact us to have any other spark plugs added to the website.

More information available from NGK under Additional Details

Product Version Vehicle Compatibility Price Order
4 X IRITOP8 - 6844
14×19mm (16mm) - BCPRE - Heat Rating 8
All Models
USD $ 69.56
USD $ 125.92
Vehicle Compatibility
All Models
4 x IRIWAY7 - 4558
14×19mm (16mm) - BK-RE - Heat Rating 7 - 4558 terminal x 4 Spark PLugs
In stock and ready to ship!
All Models
USD $ 75.66
USD $ 96.54
Vehicle Compatibility
All Models
6 X IRITOP8 - 6844
14×19mm (16mm) - BCPRE - Heat Rating 8
All Models
USD $ 102.75
USD $ 157.41
Vehicle Compatibility
All Models
6 X IRIWAY8 - 4882
14×19mm (16mm) - BKRE - Heat Rating 8
USD $ 102.78
USD $ 125.92
8 X IRITOP8 - 6844
14×19mm (16mm) - BCPRE - Heat Rating 8
All Models
USD $ 137.04
USD $ 209.87
Vehicle Compatibility
All Models
IRITOP7 - 5601
14×19mm (16mm) - BC-PRE - Heat Rating 7 - 5601 terminal
All Models
USD $ 25.22
Vehicle Compatibility
All Models
IRIWAY7 - 4558
14×19mm (16mm) - BK-RE - Heat Rating 7 - 4558 terminal
All Models
USD $ 25.22
Vehicle Compatibility
All Models
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Nengun Performance
NENGUN CO. LTD
4798-455 Imazu
Nishi-ku, Fukuoka
Japan, 819-0165

Kobutsuho No.
901080810037