NGK Spark Plugs
Car runs great with new spark plugs.
Regular Price: $33.80 - Instant discount: $3.93 = $29.87
Delays can happen. Contact us if your order doesn't arrive on time for a $20 credit on your next purchase. Minimum order must be $99
Fitment Information:
2006-2014 Subaru WRX
2004-2021 Subaru STi
2005-2009 Subaru Legacy GT
2005-2009 Subaru Outback XT
2004-2008 Subaru Forester XT
Features:
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
Type: Standard
Shape: Taper Cut
Specifications
Resistor: Yes
Resistor Value: 5k Ohm
Manufacturer Heat Range: 7
Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.
Why NGK Iridium? More Durability and a Higher Melting Point compared to Platinum, better center electrode anti-oxidation and anti-erosion, improved ignition, superior anti-fouling, lower required voltage, new metal shell plating process for better anti-corrosion. One Step Colder plugs are recommended for cars with heavy modifications. These NGK plugs will get your Turbo Subaru running smoother and free up some power through increased efficiency and increased heat resistance. These are available in stock heat or one step colder for cars running approximately 100 horsepower more than stock.
Please Note:
Iridium plugs are able to use larger gap setting with less voltage. Some customers choose to regap these plugs to correct misfiring or tune for optimal spark -- do so at your own risk -- slide-type plug gapper will damage the fragile iridium tip.
Import Image Racing is an authorized dealer for NGK Spark Plugs. Purchasing from us guarantee's that your NGK products are always authentic and covered by manufacturer warranty.
Car runs great with new spark plugs.
A must before any protune. No gapping is necessary. Doubled checked just in case. Installed 2018 Subaru STI.
You can feel the difference
A must buy , if you are going to run more then stock whp.
SHOWED UP QUICKLY, PACKAGING WAS GREAT! EXACTLY WHAT MY CAR NEEDED
Good spark plug
The car seems to like these plugs since I’ve been running them so no complaints here
17’ STI pro-tuned w/ upgraded fuel system. Seems to react well with colder gap. Improved mileage 2-3 miles also. Would recommend for sure
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