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.
Center Electrode Core MaterialCopper Core
Center Electrode Tip MaterialIridium
Gap Size0.032
Ground Electrode Core MaterialNickel Core
Ground Electrode Quantity1
Seat TypeFlat
Hex Size5/8"
Thread Diameter10.00
Ground ConfigurationStandard
Insulator Height50.50
Manufacturer Heat Range8
Ground Electrode Tip DesignTaper Cut
Hex Size5/8
Gap Size.032
Part Number4218
Line CodeNGK
TerminologySpark Plug
For warranty information please contact Auto-Wares.