Experience optimized ignition performance with COBB Spark Plugs designed specifically for Subaru WRX, STI, Legacy GT, and FXT 2.5L models.These spark plugs deliver reliable firing and enhanced combustion efficiency, helping your engine run smoother and respond quicker. They are specially engineered to complement COBB power packages, so please note they must be purchased together.Crafted for enthusiasts and tuners, these spark plugs are a premium choice for improving throttle response and overall engine health. Benefit from precise construction that meets the demands of high-performance Subaru engines.Upgrade your ignition system with confidence knowing you’re installing a component tailored to your vehicle and tuning setup. Trust COBB’s expertise with every drive and unleash the full potential of your Subaru engine.
