The Iridium IX spark plug is the ultimate choice for performance enthusiasts, delivering exceptional ignitability and enhanced throttle response. Its durable 0.6 mm laser-welded iridium tip provides a stable spark, while the tapered ground electrode reduces electrical quenching. The longer insulator nose and corrugated ribs prevent fouling and flashover, ensuring reliable performance. With superior anti-corrosion properties and a high melting point, the Iridium IX spark plug is perfect for today’s high-performance engines, making it a worthwhile investment for any serious driver.
Price last updated Nov 09, 2025 22:00:37 UTC. Availability and price subject to change. More info
