{"product_id":"ignition-coil-and-iridium-spark-plugs-for-kia-optima-2008-2009-2-4l","title":"Ignition Coil and Iridium Spark Plugs for Kia Optima (2008-2009) 2.4L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Kit for 2008-2009 Kia Optima\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e Complete 4-cylinder ignition refresh kit engineered to replace degraded factory coils and fouled plugs, restoring precise spark timing, combustion efficiency, and smooth idle.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Optima Ignition Breakdown \u0026amp; Dielectric Fatigue\u003c\/h3\u003e\n\u003cp\u003eThe Theta-series 2.4L engine operates under significant thermal cycling within the cylinder head recess. Over extended mileage, factory coil boots suffer dielectric breakdown, micro-fracturing the internal epoxy potting and causing secondary voltage leakage. Combined with widening spark plug gaps from electrode erosion, the stock ignition system experiences increased resistance, leading to intermittent misfires, hesitations under load, unburnt hydrocarbon build-up, and reduced fuel economy.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis replacement ignition kit pairs high-dielectric coil-on-plug assemblies with durable iridium spark plugs. The ignition coils feature high-conductivity copper primary and secondary windings encased in thermal-resistant resin to prevent internal shorting under high engine-bay temperatures. Paired with fine-wire iridium center electrodes, this package provides consistent arc stability, lower voltage demand, and resistance to carbon fouling across all operating RPMs.\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;\"\u003e2008-2009 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 (G4KC\/G4KE) \/ MG Chassis\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;\"\u003e175 hp \/ 169 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, UF-611, 52-2079, 5C1724, C1667\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2008 Kia Optima 2.4L L4 (EX, LX)\u003c\/li\u003e\n  \u003cli\u003e2009 Kia Optima 2.4L L4 (EX, LX, SX)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Kia Commuter Reliability Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered for exact plug-and-play OE fitment, this kit eliminates check engine lights (CEL) related to cylinder misfires and restores factory throttle response without requiring ECU calibration or harness modifications.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50448504783096,"sku":"DS-E3TODPEAP","price":65.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/ignition-coil-and-iridium-spark-plugs-for-kia-optima-2008-2009-2-4l-1.jpg?v=1788647927","url":"https:\/\/performancechiptuning.com\/es\/products\/ignition-coil-and-iridium-spark-plugs-for-kia-optima-2008-2009-2-4l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}