Ngk. Enough said
Can’t go wrong with ngk plugs. Perform great and same as oem. 40k Maintance items. Remember regular Maintance on you subie is the key to your cars happiness and your wallet
Regular Price: $33.80 - Instant discount: $3.93 = $29.87
Fitment Information:
Subaru STI 2004-2021
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: .043" (1.1mm)
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: 6
Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6lb. 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.
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.
Can’t go wrong with ngk plugs. Perform great and same as oem. 40k Maintance items. Remember regular Maintance on you subie is the key to your cars happiness and your wallet
Hesitation during increased acceleration. Swap out for some new plugs and she’s running a lot better!!
I run this spark plug in my 15 sti best plug on the market for a stage 2 car
Fast shipping
Previous owner never changed my plugs and made a huge improvement.
These came on a day early and worked perfectly. Definitely would recommend.
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