

NGK (SILFR6A) Laser Iridium Spark Plugs Subaru - WRX 2008-2014, Forester XT 2009-2013, Legacy GT 2005-2009 (Qty 4)
Fitment Information:
2009-2013 Subaru Forester
2008-2014 Subaru WRX
2013-2018 Subaru WRX STI
2005-2009 Legacy GT
2005-2009 Subaru Outback
2008-2009 Subaru Tribeca
Features:
- 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
- Longevity: 100k Miles
- 60 Days manufacturer Warranty
Shell
Spark Plug Thread Diameter: 14mm
Thread Pitch: 1.25mm
Seat Type: Flat
Reach: 26.5mm (1.04")
Wrench Diameter: 5/8" (16mm)
Terminal Type: Solid
Gap: .031" (0.8mm)
Center Electrode
Electrode Tip Material: Iridium
Electrode Core Material: Copper
Ground Electrode
Material: Nickel
Specifications
Resistor: Yes
Resistor Value: 5k Ohm
Manufacturer Heat Range: 6
Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6lb. ft.
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