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 Tip MaterialIridium
Ground Electrode Core MaterialNickel Core
Hex Size18
Ground Electrode Tip DesignTaper Cut
Center Electrode Core MaterialCopper Core
Gap Size.032
Ground Electrode Quantity1
Hex Size18mm
Thread Diameter12.00
Insulator Height50.50
Seat TypeFlat
Ground ConfigurationStandard
Gap Size0.032
Manufacturer Heat Range9
Part Number4772
Line CodeNGK
TerminologySpark Plug
For warranty information please contact Auto-Wares.