NGK DCR9EIX 6650 Spark Plug Iridium IX

The NGK DCR9EIX 6650 Iridium IX spark plug delivers dependable ignition performance and lasting durability for a wide range of 12mm diameter engines. Designed for high-precision combustion, the Iridium IX center electrode provides quick, reliable starts and consistent firing under demanding conditions. The DCR9EIX’s advanced sealing and heat range help resist fouling, minimize misfires, and promote smoother idle, enhanced throttle response, and improved fuel efficiency. Ideal for performance-minded drivers and everyday applications alike, this plug maintains peak performance across a broad temperature range, while offering extended service life. Partnered with The Green Spark Plug Company, it’s a smart choice for those seeking reliable, long-lasting ignition optimization without sacrificing efficiency.