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 ConfigurationStandard
Ground Electrode Tip DesignTaper Cut
Seat TypeFlat
Insulator Height53.00
Ground Electrode Quantity1
Manufacturer Heat Range8
Ground Electrode Core MaterialNickel Core
Thread Diameter14.00
Gap Size0.032
Hex Size13/16"
Center Electrode Core MaterialCopper Core
Gap Size0.032
Center Electrode Tip MaterialIridium
Part Number6747
Line CodeNGK
TerminologySpark Plug
For warranty information please contact Auto-Wares.