This is a clearance listing. The item was installed and might have been used. Please note that clearance items are non - returnable. These NGK Laser Iridium spark plugs are a perfect fit for 2015 - 2021 Subaru WRX and 2014 - 2018 Subaru Forester. They come as a set of 4 spark plugs. The corrugated ribs stop flashover, and the pure alumina silicate ceramic insulator offers great strength and excellent heat transfer. The copper core helps remove heat effectively. With triple seals, they prevent leakage. These spark plugs can last up to 100k miles and come with a 60 - day manufacturer warranty. Why spend $75+ at competitors or local auto parts stores when you can save big with us? The spark plug has a 12mm thread diameter, 1.25mm thread pitch, flat seat type, 26.5mm reach, 14mm wrench diameter, solid terminal type, and a 0.6mm gap. The center electrode tip is made of iridium with a copper core, while the ground electrode is nickel, standard type, and taper - cut shape. It has a 5k Ohm resistor, a manufacturer heat range of 8, and specific torque specs for cast iron (10.8 - 18 lb. ft.) and aluminum (10.8 - 14.5 lb. ft.). Always check the gap before installation. NGK Laser Iridium spark plugs offer the best mix of performance and longevity. Import Image Racing is an authorized NGK dealer, ensuring you get authentic products covered by the manufacturer warranty.
Using these NGK spark plugs is simple. First, always check the gap of the plugs before installing them in your 2015 - 2021 Subaru WRX or 2014 - 2018 Subaru Forester. You can find the right torque for installation based on whether your engine is made of cast iron or aluminum. The torque for cast iron is 10.8 - 18 lb. ft., and for aluminum, it's 10.8 - 14.5 lb. ft. When it comes to maintenance, these spark plugs are designed to last up to 100k miles. But if you notice any issues with your vehicle's performance, like rough idling or poor acceleration, it might be time to check the spark plugs. Keep in mind that these are clearance items and not returnable. Also, since Import Image Racing is an authorized NGK dealer, you can be sure you're getting a genuine product with a 60 - day manufacturer warranty.
