NGK Laser Iridium #9 Cold Step Spark Plugs. Colder than OEM Honda #8 Step Plug

Provide superior ignitability and long service life. Fine wire iridium tipped center electrode and fine wire platinum tipped ground electrode ensures slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency and lower emissions.
Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
Corrugated ribs prevent flashover
Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
Copper core aids in heat removal
Triple seals prevent leakage

Fits: 2016+ Civic Turbo, Civic Type R FK2/8, 2018+ Accord 2.0T, 2019+ RDX Turbo Engines.

Note: Plug end caps included.

• Thread Diameter12mm
• Thread Pitch1.25mm
• Seat TypeGasket
• Reach26.5mm (1.04″)
• Hex Size9/16″ (14mm)
• Terminal TypeThreaded Stud
• Overall HeightISO
• Gap.035″ (0.9mm)

• Center Electrode
• MaterialIridium
• TypeFine Wire
• Size0.6mm
• ProjectionProjected

• Ground Electrode
• MaterialPlatinum
• TypeStandard
• Resistor –Yes
• Resistor Value5k Ohm
• Heat Range9
• Torque SpecsCast Iron: 10.8-18 lb. ft. Aluminum: 10.8-14.5 lb. ft.