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.
Insulator Height50.00
Ground Electrode Quantity1
Ground Electrode Core MaterialNickel Core
Seat TypeFlat
Hex Size5/8
Hex Size5/8"
Ground ConfigurationStandard
Manufacturer Heat Range8
Gap Size.036
Thread Diameter10.00
Ground Electrode Tip DesignTaper Cut
Center Electrode Tip MaterialIridium
Gap Size0.036
Center Electrode Core MaterialCopper Core
Part Number3797
Line CodeNGK
TerminologySpark Plug
For warranty information please contact Auto-Wares.