NGK (LFR7AIX) Iridium IX 1 Step Colder Spark Plugs Subaru WRX 2006-2014 / STI 2004-2021 | 2309

Product Description

Staff CommentsThe NGK Iridium IX Spark Plugs are a solid choice for Subaru WRX and STi owners looking to upgrade their ignition system. With features like trivalent metal plating, copper core for heat removal, and superior anti-corrosion properties, these plugs offer improved efficiency and heat resistance, perfect for turbocharged vehicles or those with heavy modifications.

Upgrade your Subaru WRX or STi with the NGK (LFR7AIX) Iridium IX Spark Plugs. These spark plugs are specifically designed for a range of Subaru models from 2004 to 2021, including the WRX, STi, Legacy GT, Outback XT, and Forester XT.

The set includes 4 spark plugs with trivalent metal plating for superior anti-corrosion and anti-seizing properties. The pure alumina silicate ceramic insulator provides strength and efficient heat transfer, while the copper core aids in heat removal. Triple seals prevent leakage for optimal performance.

With a longevity of 50,000 miles and a 60-day manufacturer warranty, these spark plugs are built to last. The specifications include a 14mm spark plug thread diameter, 1.25mm thread pitch, and a 26.5mm reach. The center electrode features iridium tip material, while the ground electrode is made of nickel.

NGK Iridium Spark Plugs offer durability and a higher melting point compared to platinum, along with improved ignition and anti-fouling properties. One Step Colder plugs are recommended for heavily modified cars, providing increased efficiency and heat resistance. Choose between stock heat or one step colder for optimal performance.

Please note that Iridium plugs allow for larger gap settings with less voltage, but regapping should be done with caution to avoid damaging the fragile iridium tip. Import Image Racing is an authorized dealer for NGK Spark Plugs, ensuring that your products are authentic and covered by the manufacturer's warranty. Upgrade your Subaru's performance with NGK Iridium IX Spark Plugs.