Ignition Coil & Iridium Spark Plugs for Pontiac Solstice (2006-2009) 2.4L I4

High-Output Ignition Coil & Iridium Spark Plugs for 2006-2009 Pontiac Solstice (LE5 / Kappa)

Direct-fit ignition upgrade for the Kappa platform: Replaces degraded factory coils and fouled plugs to restore spark energy, stabilize idle, and eliminate misfires.

The Stock Solstice LE5 Ignition Weakness

The factory ignition system on the 2.4L LE5 Ecotec is notoriously prone to premature thermal degradation. Mounted directly above the cylinder head, the OEM coil packs suffer from constant heat soak cycles that break down internal epoxy resins, leading to voltage leaks. This results in acceleration hesitation, rough idling, and cylinder misfires. Standard factory plugs also wear their electrodes rapidly under engine load, widening the spark gap and forcing the already failing coils to overwork.

The Engineering Solution

This comprehensive ignition overhaul combats thermal breakdown and spark inconsistency. The upgraded coils feature high-dielectric epoxy and reinforced thermal-resistant housings to withstand severe under-hood temperatures without voltage drop. Optimized copper wire windings ensure maximum voltage output to the plug. Paired with performance Iridium spark plugs—which utilize an ultra-fine center electrode—this kit requires less voltage to generate a spark while providing superior conductivity and fuel burn. The result is improved throttle response, restored factory power, and a stabilized idle curve.

Technical Specifications

Compatibility

• 2006 Pontiac Solstice 2.4L I4
• 2007 Pontiac Solstice 2.4L I4
• 2008 Pontiac Solstice 2.4L I4
• 2009 Pontiac Solstice 2.4L I4

The Pontiac Caliber

Consistent spark delivery is non-negotiable. This ignition upgrade ensures your Solstice delivers reliable torque and crisp throttle response without triggering unwanted check engine lights.