The spark plug serious enthusiasts rely on.
Designed specifically for the performance enthusiast. NGK Iridium IX® offers extreme ignitability, improved throttle response and superior anti fouling
- 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.
NGK IX Iridium Series plugs were designed specifically for the performance enthusiast.
- Fine Wire center electrode ensures high durability and a consistently stable spark
- Iridium alloy has an extremely high melting point, perfect for today's high-tech, high performance engines
- 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
Shell
- Thread Size: 14mm
- Thread Pitch: 1.25mm
- Seat Type: Gasket
- Resistor Value: 5K Ohm
- Reach: 19mm (3/4")
- Hex Size: 5/8" (16mm)
- Terminal Type: Solid
- Overall Height: ISO
- Gap: .043" (1.1mm)
Center Electrode
- Material: Iridium
- Type: Fine Wire
- Size: 0.6mm
- Projection: Projected
Ground Electrode
- Material: Nickel
- Type: Standard
- Shape: Taper Cut
- Quantity: 1
Specifications
- Warranty: 1 Year
- Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.
- Brand: NGK
- Heat Range: 6
- Longevity: 50k Miles
- Resistor: Yes
Fitment
1993-1996 Subaru Impreza H4 1.8L FI Gas 2 16v SOHC
1996 Subaru Impreza H4 1.8L FI Gas 1 16v SOHC
1995-1996 Subaru Impreza H4 2.2L FI EJ22E Gas 6 16v SOHC
1997-1999 Subaru Impreza H4 1.8L FI Gas 2 16v SOHC
1997-1999 Subaru Impreza H4 2.2L FI EJ22EZ Gas 4 16v SOHC
1997-1999 Subaru Impreza H4 2.2L FI EJ22E Gas 4 16v SOHC
1999 Subaru Impreza RS H4 2.2L FI EJ223 Gas 16v SOHC
2000-2001 Subaru Impreza H4 2.2L FI EJ222 Gas 4 16v SOHC
2000-2004 Subaru Impreza H4 2.5L FI EJ251 Gas 16v SOHC
1995-1998 Nissan 240SX L4 2.0L FI SR20DE Gas B 16v DOHC