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note: The product images are Japanese model.
Characteristic
The IRI Series plugs are designed for tuned engines that require a high heat rating; they are Iridium Plugs with excellent ignition and acceleration characteristics.
Construction
Part number
Suitable part number
Thread diameter (mm)
Thread length (mm)
Width across hexagon flats (mm)
Terminal shape
IRIMAC8
DCPRE
12
19
16
punch caulked *
IRIMAC9
DCPRE
12
19
16
punch caulked *
IRITOP7
BCPRE
14
19
16
punch caulked *
IRITOP8
BCPRE
14
19
16
punch caulked *
IRITOP9
BCPRE
14
19
16
punch caulked *
IRIWAY7
BKRE
14
19
16
punch caulked *
IRIWAY8
BKRE
14
19
16
punch caulked *
IRIWAY9
BKRE
14
19
16
punch caulked *
* Since the terminal is caulked, it cannot be removed.
Copyright(c) 2006 NGK SPARK PLUG CO.,LTD. all rights reserved.
Q&A
Iridium Spark Plugs
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