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.
Manufacturer Heat Range7
Ground Electrode Quantity1
Hex Size5/8"
Gap Size0.028
Ground Electrode Core MaterialNickel Core
Seat TypeFlat
Hex Size5/8
Insulator Height50.00
Gap Size.028
Thread Diameter10.00
Center Electrode Core MaterialCopper Core
Center Electrode Tip MaterialIridium
Ground ConfigurationStandard
Ground Electrode Tip DesignTaper Cut
Part Number7544
Line CodeNGK
TerminologySpark Plug
For warranty information please contact Auto-Wares.