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 Ruthenium HX spark plugs are the best in class plug on the market for todays modern vehicles. NGK's patented Ruthenium technology offers the highest performance and life expectancy of any Aftermarket spark plug line.
Manufacturer Heat Range8
Ground Electrode Tip DesignPSPE
Center Electrode Core MaterialCopper Core
Insulator Height51.00
Hex Size14
Center Electrode Tip MaterialRuthenium
Gap Size.032
Hex Size14mm
Ground ConfigurationStandard
Seat TypeFlat
Thread Diameter12.00
Ground Electrode Core MaterialCopper Core
Part Number91784
Line CodeNGK
TerminologySpark Plug
For warranty information please contact Auto-Wares.