Iridium IX spark plug is designed for the performance enthusiast, delivering extreme igniteability, improved throttle response, and superior anti-fouling. Key features and benefits - 0.6 millimeter laser welded fine Iridium tip - High durability for a consistently stable spark - Supports reliable ignition under demanding conditions - Tapered ground electrode - Minimizes electrical quenching for a more reliable, quicker ignite - Longer insulator nose - Reduces fouling over extended use - Corrugated ribs on insulator - Helps prevent flashover for greater electrical reliability - Triple gasket seal - Eliminates combustion gas leakage for consistent performance - Iridium alloy with a very high melting point - Provides resistance to heat and electrical wear - Suited for today’s high performance engines Performance and practical advantages - Enhanced throttle response and reliable ignition in high-performance driving - Greater anti-fouling characteristics to extend service intervals - Durable construction designed to withstand heat and electrical wear in demanding applications Applications and use scenarios - Modern performance street vehicles requiring quick, dependable ignition and responsive power delivery - Track days or competitive events where consistent spark performance is critical under high RPM and elevated temperatures - High-load or performance builds where engine heat and electrical wear are elevated, helping maintain reliability over time Notes - Model: Iridium IX - Tip size: 0.6 millimeter Iridium tip - Material: Iridium alloy with high melting point - Design focuses on durability, stable ignition, and anti-fouling performance for today’s high performance engines