{"product_id":"ignition-coil-and-iridium-spark-plugs-for-ford-focus-2016-2018-2-3l","title":"Ignition Coil and Iridium Spark Plugs for Ford Focus (2016-2018) 2.3L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Kit for 2016-2018 Ford Focus\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eDirect-Replacement Ignition Overhaul:\u003c\/strong\u003e Restores factory combustion efficiency and eliminates under-boost misfires by pairing high-grade ignition coils with premium iridium-tipped spark plugs.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Focus Dielectric Breakdown and Spark Blowout\u003c\/h3\u003e\n\u003cp\u003eUnder the high thermal loads and elevated cylinder pressures generated by the turbocharged 2.3L platform, factory ignition coils experience insulation breakdown and secondary winding resistance drift over time. Coupled with electrode erosion on aging spark plugs, this degradation leads to high-load spark blowout, rough cold starts, reduced throttle response, and unburned fuel entering the exhaust tract.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis service kit addresses secondary voltage loss through durable coil-on-plug assemblies engineered with high-conductivity internal copper windings and heat-stabilized thermoplastic housings. Paired with fine-wire iridium core spark plugs, the system reduces required firing voltage, promotes rapid flame kernel expansion, and ensures dependable arc stability across all engine loads.\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;\"\u003e2016-2018 Ford Focus\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;\"\u003e2.3L EcoBoost I4 \/ C346\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;\"\u003e350 hp \/ 350 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;\"\u003eUF670, DG546, 5C1873, CM5Z-12029-A, CM5E-12A366-BC, CM5E12A366CA, JDE30294, 6736203\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2016-2018 Ford Focus\u003c\/strong\u003e — RS (2.3L L4 Gas Turbocharged \/ Chassis: C346)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterchange Part Numbers:\u003c\/strong\u003e UF670, DG546, 5C1873, CM5Z-12029-A, CM5E-12A366-BC, CM5E12A366CA, JDE30294, 6736203\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Ford Performance Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to handle elevated boost levels and aggressive power delivery, this ignition package provides instant throttle modulation, zero misfire hesitation, and rock-solid idle consistency for street and track demands.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50449166958840,"sku":"DS-ED87RHXU4","price":82.95,"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-ford-focus-2016-2018-2-3l-1.jpg?v=1788668550","url":"https:\/\/performancechiptuning.com\/es\/products\/ignition-coil-and-iridium-spark-plugs-for-ford-focus-2016-2018-2-3l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}