{"product_id":"ignition-coil-iridium-spark-plugs-for-kia-optima-2010-2016-2-4l-i4","title":"Ignition Coil \u0026 Iridium Spark Plugs for Kia Optima (2010-2016) 2.4L I4","description":"\u003ch2\u003eDirect-Fit Ignition Coils \u0026amp; Iridium Spark Plugs for 2010-2016 Kia Optima\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eReplaces degrading factory ignition coils and standard plugs with high-output copper-core coils and iridium-tipped spark plugs to restore combustion efficiency and eliminate misfires.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Optima Theta II Ignition Shortcomings\u003c\/h3\u003e\n\u003cp\u003eThe factory Kia ignition coils on the 2.4L Theta II engine are notoriously prone to thermal degradation over time. As mileage increases, constant heat cycling within the engine bay breaks down the internal epoxy and secondary windings. This heat soak leads to increased electrical resistance, causing weak spark delivery, rough idling, hesitation under load, and eventual P0300-series misfire codes. Furthermore, standard OEM spark plugs degrade, widening the spark gap and forcing the ignition coils to work harder, accelerating premature failure across the entire ignition system.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis kit resolves thermal breakdown by utilizing superior OE+ grade ignition coils engineered with highly durable internal copper wiring. The upgraded copper windings drastically reduce internal resistance and improve thermal conductivity, ensuring consistent 12V voltage output even under heavy engine load and extreme operating temperatures. Paired with LFR5AIX-11 equivalent iridium spark plugs, the system delivers a more focused, hotter spark. The fine-wire iridium center electrode requires less firing voltage and resists spark erosion far better than traditional copper or platinum plugs. This optimized spark event improves complete fuel burn in the combustion chamber, resulting in a reported 15% increase in energy transfer efficiency, smoother idle, and immediately restored throttle response.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px;\"\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2010-2016 Kia Optima\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eEngine \/ Chassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2.4L Theta II I4 \/ TF, JF\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eStock Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e200 hp \/ 186 lb-ft (Approx)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eUF611, 27300-3F100, LFR5AIX-11, 5C1724, IC712\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2010 Kia Optima 2.4L I4\u003c\/li\u003e\n  \u003cli\u003e2011 Kia Optima 2.4L I4\u003c\/li\u003e\n  \u003cli\u003e2012 Kia Optima 2.4L I4\u003c\/li\u003e\n  \u003cli\u003e2013 Kia Optima 2.4L I4\u003c\/li\u003e\n  \u003cli\u003e2014 Kia Optima 2.4L I4\u003c\/li\u003e\n  \u003cli\u003e2015 Kia Optima 2.4L I4\u003c\/li\u003e\n  \u003cli\u003e2016 Kia Optima 2.4L I4\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Kia Dependability Standard\u003c\/h3\u003e\n\u003cp\u003eFor daily-driven Korean sedans, maintaining precise ignition timing and a robust spark is critical to keeping fuel economy optimized and preventing costly catalytic converter damage from unburned fuel, keeping your dashboard CEL-free.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50062888632568,"sku":"DS-E56PB8VQB","price":64.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/ignition-coil-iridium-spark-plugs-for-kia-optima-2010-2016-2-4l-i4-1.jpg?v=1785179320","url":"https:\/\/performancechiptuning.com\/es\/products\/ignition-coil-iridium-spark-plugs-for-kia-optima-2010-2016-2-4l-i4","provider":"Performance Chip Tuning","version":"1.0","type":"link"}