Upgrade your 2002-2005 Subaru WRX ignition system with the NGK Iridium IX Spark Plug Set, designed specifically for performance enthusiasts seeking reliable and efficient engine operation. These premium spark plugs deliver superior ignitability and consistent sparks, ensuring smoother throttle response and improved overall engine performance.

Featuring a precise .030 plug gap and a heat range of 6, the NGK Iridium IX plugs utilize a fine iridium tip that withstands high temperatures and resists fouling. The trivalent metal plating protects against corrosion and seizing, enhancing durability and longevity. Sold as a set of four, these spark plugs provide excellent acceleration and fuel efficiency while maintaining stock heat characteristics.

Ideal for Subaru WRX owners focused on maintaining or enhancing their vehicle’s stock engine performance, these spark plugs offer a smart upgrade for daily drivers and enthusiasts alike. Trust Subimods for quality Subaru parts and improve your WRX’s ignition system today with fast, reliable delivery.