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.
Thread Diameter12.00
Manufacturer Heat Range9
Insulator Height50.00
Hex Size5/8
Ground ConfigurationStandard
Center Electrode Tip MaterialIridium
Ground Electrode Tip DesignTaper Cut
Ground Electrode Core MaterialNickel Core
Gap Size0.032
Gap Size.032
Hex Size5/8"
Ground Electrode Quantity1
Seat TypeFlat
Center Electrode Core MaterialCopper Core
Part Number2316
Line CodeNGK
TerminologySpark Plug
For warranty information please contact Auto-Wares.