350z DE NGK Iridium IX Spark Plug

*Features*

* Fine Iridium tip ensures longevity.
* Iridium alloy has an extremely high melting point, perfect for today’s high-tech performance engines.
* "Trivalent Metal Plating" provides superior anti-corrosion and anti-seizing properties.
* Outstanding acceleration, fuel efficiency, and durability.

554: 5K Ohm
Center Electrode Core Material: Copper Core
Center Electrode Tip Material: Iridium
Gap Size: 0.044
Ground Configuration: Standard
Ground Electrode Core Material: Nickel Core
Ground Electrode Quantity: 1
Ground Electrode Tip Design: Taper Cut
Hex Size: 5/8in
Insulator Height: 50.5
Manufacturer Heat Range: 5
Reach: 26.5
Resistance: 5K Ohm
Seat Type: Gasket
Thread Diameter: 14