Ignition Coil & Iridium Spark Plugs for Nissan 370Z (2009-2020) 3.7L

Direct-Replacement Ignition Coil & Iridium Spark Plugs for 2009-2020 Nissan 370Z

Restores lost power and eliminates high-RPM misfires by providing a consistent, high-voltage spark to the VQ37VHR engine.

The Stock 370Z Ignition Shortcoming

As the Nissan Z34 chassis ages, the factory ignition system components become highly susceptible to thermal degradation and voltage leaks. The VQ37VHR engine generates significant under-hood temperatures, which over time breaks down the epoxy resin and internal copper windings of the OEM ignition coils. This continuous heat cycling leads to increased electrical resistance, resulting in weak spark delivery, high-RPM misfires, and a noticeable drop in throttle response. Furthermore, standard spark plug electrodes wear down over tens of thousands of miles, increasing the physical gap size and forcing the aged ignition coils to work even harder to jump the gap. This cascading failure strains the entire ignition circuit, triggering P0300-series engine codes, causing rough idling, and drastically reducing overall engine efficiency during aggressive driving or track days.

The Engineering Solution

This comprehensive ignition service kit addresses VQ37VHR thermal fatigue by upgrading the core conductive materials. The replacement ignition coils feature high-grade dielectric epoxy and reinforced copper wire primary and secondary windings, designed to withstand extreme heat soak while maintaining optimal voltage output. These coils ensure a rapid electrical discharge with minimal dwell time, providing a hotter, more stable spark across the entire RPM range. Paired directly with the coils are precision-gapped Iridium spark plugs. The ultra-fine Iridium center electrode requires significantly less voltage to generate a spark, reducing the electrical load on the coils. Iridium's exceptionally high melting point prevents electrode erosion, maintaining the factory gap specification over an extended service life. Together, this system eliminates misfires, stabilizes idle quality, and restores the sharp throttle response required for spirited driving.

Technical Specifications

Compatibility

• 2009-2020 Nissan 370Z 3.7L V6

The Nissan JDM Standard

Engineered for the demands of high-revving V6 performance, this ignition overhaul ensures your VQ37 delivers uninterrupted power, razor-sharp throttle response, and the reliable high-RPM performance expected from the legendary Z-car lineage.