Ignition Coil & Iridium Spark Plugs for Chevrolet Camaro (2010-2015) 3.6L V6

High-Energy Ignition Coil & Iridium Spark Plugs for 2010-2015 Chevrolet Camaro 

Replaces degrading OEM ignition components to restore optimal combustion, eliminate misfires, and stabilize idle in the 3.6L High Feature V6.

The Stock Camaro Ignition Degradation

Over time, the factory ignition system on the 3.6L High Feature V6 (both the LLT and LFX variants) experiences severe thermal stress. The constant heat cycling within the tight engine bay degrades the epoxy resin inside the OEM ignition coils, leading to internal micro-fractures. These fractures allow voltage to arc directly to the engine block rather than traveling down to the spark plug, resulting in intermittent misfires, erratic idling, and a noticeable loss of low-end torque. Furthermore, standard factory spark plugs suffer from accelerated electrode wear under sustained loads, widening the spark gap and forcing the coils to overwork, compounding the failure cycle and triggering P0300-series CEL codes.

The Engineering Solution

This complete ignition overhaul directly addresses the thermal and electrical shortcomings of the OEM setup. The included ignition coils are constructed with high-temperature epoxy and upgraded primary and secondary copper windings, reducing electrical resistance and preventing the thermal breakdown that plagues standard units. This ensures a consistent, high-voltage spark delivery even under extreme engine bay temperatures. Paired with heavy-duty iridium spark plugs, the system maximizes burn efficiency. The ultra-fine iridium center electrode requires less voltage to jump the gap, reducing the electrical load on the coils while providing exceptional resistance to oxidation and spark erosion. This translates to sharper throttle response, restored fuel economy, and reliable high-RPM performance without misfires.

Technical Specifications

Compatibility

• 2010 Chevrolet Camaro 3.6L V6 (LS, LT)
• 2011 Chevrolet Camaro 3.6L V6 (LS, LT)
• 2012 Chevrolet Camaro 3.6L V6 (LS, LT)
• 2013 Chevrolet Camaro 3.6L V6 (LS, LT)
• 2014 Chevrolet Camaro 3.6L V6 (LS, LT)
• 2015 Chevrolet Camaro 3.6L V6 (LS, LT)

The Chevrolet Performance Caliber

Designed for modern muscle, these upgraded ignition components ensure your Gen 5 Camaro delivers consistent, reliable power and sharp throttle response, whether you are carving canyons or daily driving.

Common Questions

Will this ignition coil and spark plug kit fit both LLT and LFX 3.6L V6 Camaros?
Yes, this kit fits all 2010-2015 Chevrolet Camaro 3.6L V6 models, including the 2010-2011 LLT and 2012-2015 LFX engines in LS and LT trims.

Which Camaro trims and engine configurations is this kit designed for?
This kit is built specifically for the Gen 5 (2010-2015) Chevrolet Camaro LS and LT trims equipped with the 3.6L LLT or LFX V6 engine.

What comes in the kit?
The kit includes a complete matched set of high-temperature epoxy ignition coils with upgraded copper windings and heavy-duty iridium spark plugs for the 3.6L V6.

Which factory part numbers do these ignition coils replace?
These coils directly replace OEM and interchange part numbers 3340078J00, CLS1226, 921-2109, IC649, and 673-7300.

Do these components require any modifications or tuning to install?
The coils and iridium spark plugs are direct OEM-spec replacements that install in the factory locations without wiring changes or tuning.