NGK IRIDIUM IX Spark Plug (CR7HIX, Stock No.: 7544)
- Fine Iridium tip ensures high durability and a consistently stable spark
- Iridium alloy has extremely high melting point, perfect for today's high-tech, high-performance engines
- Trivalent Metal Plating - superior anti-corrosion and anti-seizing properties
- Outstanding acceleration, high fuel efficiency and durability
- Ultimate design, technology and performance.
Shell
- Thread Size: 10mm
- Thread Pitch: 1.0mm
- Seat Type: Gasket
- Resistor: Yes
- Resistor Value: 5K Ohm
- Reach: 12.7mm (1/2")
- Hex Size: 5/8" (16mm)
- Terminal Type: Threaded Stud
- Overall Height: ISO
- Gap: .028" (0.8mm)
Center Electrode
- Material: Iridium
- Type: Fine Wire
- Size: 0.6mm
- Projection: Non-Projected
Ground Electrode
- Material: Nickel
- Type: Standard
- Shape: Taper Cut
- Quantity: 1
* NGK Spark Plugs are designed to OEM requirements and as such, a variant of each of the above styles may not be available as it may not be an OEM requirement.
** Please note that the service life is provided as a general guide and may vary due to vehicle driving conditions.