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 Core MaterialNickel Core
Insulator Height55.00
Hex Size13/16
Center Electrode Core MaterialCopper Core
Ground Electrode Tip DesignTaper Cut
Ground Electrode Quantity1
Manufacturer Heat Range9
Hex Size13/16"
Thread Diameter14.00
Gap Size.032
Seat TypeFlat
Center Electrode Tip MaterialIridium
Gap Size0.032
Part Number5687
Line CodeNGK
TerminologySpark Plug
For warranty information please contact Auto-Wares.