Ignition Coil & Iridium Spark Plugs for Mazda MX-5 Miata (2006-2015) 2.0L

High-Energy Ignition Coil & Iridium Spark Plugs for 2006-2015 Mazda MX-5 Miata

Direct OEM replacement ignition coils and iridium spark plugs designed to restore proper combustion efficiency and eliminate misfires on the 2.0L MZR engine.

The Stock MX-5 Miata Ignition Degradation

The factory ignition coils on the NC chassis Mazda MX-5 Miata are prone to thermal degradation over time. Positioned directly above the 2.0L LF-VE engine, the OEM coils endure constant heat cycling, which breaks down the internal epoxy potting and copper winding insulation. As this insulation degrades, resistance increases, leading to a weaker spark, random misfires under load, and poor idle quality. Coupled with standard copper or worn platinum spark plugs, this weakened voltage output fails to fully ignite the air-fuel mixture, resulting in increased carbon buildup on the valves and a noticeable drop in throttle response and fuel economy.

The Engineering Solution

This upgraded ignition kit resolves NC Miata spark blowout and misfire issues by utilizing high-quality copper wire internals with advanced thermal-resistant epoxy potting. The upgraded coil design maintains stable voltage output even under extreme engine bay temperatures, ensuring consistent spark delivery to the combustion chamber. Paired with the included Iridium spark plugs, which feature an ultra-fine center electrode, the system requires less voltage to generate a spark while delivering a more concentrated ignition point. This results in up to a 15% increase in ignition energy transfer, promoting complete combustion, sharper throttle response, and reliable performance throughout the entire RPM range. These coils meet or exceed OE+ durability standards, providing a direct plug-and-play solution.

Technical Specifications

Compatibility

• 2006 Mazda MX-5 Miata 2.0L
• 2007 Mazda MX-5 Miata 2.0L
• 2008 Mazda MX-5 Miata 2.0L
• 2009 Mazda MX-5 Miata 2.0L
• 2010 Mazda MX-5 Miata 2.0L
• 2011 Mazda MX-5 Miata 2.0L
• 2012 Mazda MX-5 Miata 2.0L
• 2013 Mazda MX-5 Miata 2.0L
• 2014 Mazda MX-5 Miata 2.0L
• 2015 Mazda MX-5 Miata 2.0L

The Mazda Precision Standard

Engineered for the lightweight, high-revving nature of JDM sports cars, this ignition overhaul restores the crisp, responsive power delivery expected from the NC Miata, ensuring reliable performance on both the street and the autocross track.