A Core deposit is a form of deposit you pay until returning your old part. If you don't have the core at the time of purchase, you must pay the core charge. That charge is refunded to you when you return the core.

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NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability.
Ground Electrode Quantity1
Seat TypeFlat
Gap Size0.032
Hex Size13/16
Ground ConfigurationStandard
Hex Size13/16"
Center Electrode Core MaterialCopper Core
Insulator Height55.00
Ground Electrode Core MaterialNickel Core
Thread Diameter14.00
Center Electrode Tip MaterialIridium
Gap Size.032
Ground Electrode Tip DesignTaper Cut
Manufacturer Heat Range8
Part Number6684
Line CodeNGK
TerminologySpark Plug
For warranty information please contact Auto-Wares.