Upgrade your Subaru WRX (2015 - 2021) or Forester (2014 - 2018) with these top - notch NGK Laser Iridium Spark Plugs. This set includes 4 spark plugs, offering great value. The corrugated ribs stop flashover, ensuring a stable ignition. The pure alumina silicate ceramic insulator is strong and transfers heat effectively. A copper core helps remove heat quickly. With triple seals, there's no chance of leakage. These spark plugs last up to 100k miles and come with a 60 - day manufacturer warranty. Why overpay at competitors when you can save big here? Spark Plug Thread Diameter is 12mm, Thread Pitch is 1.25mm, and it has a flat seat type. The reach is 26.5mm (1.04'), and the wrench diameter is 9/16' (14mm). It has a solid terminal type and a gap of .024' (0.6mm). The center electrode has an iridium tip and a copper core, while the ground electrode is made of nickel, with a standard type and taper - cut shape. It has a 5k Ohm resistor and a manufacturer heat range of 8. Torque specs are 10.8 - 18 lb. ft. for cast iron and 10.8 - 14.5 lb. ft. for aluminum. Always check the gap before installation. NGK Laser Iridium spark plugs combine high performance and long - lasting durability. Import Image Racing is an authorized NGK dealer, so you're guaranteed authentic products and manufacturer warranty.
Using these NGK Laser Iridium Spark Plugs is easy. First, make sure your vehicle's engine is cool. Before installing, always check the gap on the plugs. You can use a gap tool to adjust it if needed. To install, use the appropriate wrench with a diameter of 9/16' (14mm) and follow the torque specs - 10.8 - 18 lb. ft. for cast iron engines and 10.8 - 14.5 lb. ft. for aluminum engines. When it comes to maintenance, these spark plugs are designed to last up to 100k miles. However, it's a good idea to check them periodically for any signs of wear or damage. If you notice a decrease in engine performance, such as rough idling or poor acceleration, it might be time to check the spark plugs. Remember, this product comes with a 60 - day manufacturer warranty. If you have any issues, contact us as an authorized NGK dealer, and we'll assist you.
