{"product_id":"ignition-coil-and-iridium-spark-plugs-for-honda-accord-2017-2021-2-0l","title":"Ignition Coil and Iridium Spark Plugs for Honda Accord (2017-2021) 2.0L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Kit for 2017-2021 Honda Accord\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eDirect-Replacement Ignition Overhaul:\u003c\/strong\u003e Restores high-voltage spark consistency and combustion efficiency across all cylinders in Honda 2.0L powertrains.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Accord Coil Heat Degradation\u003c\/h3\u003e\n\u003cp\u003eElevated underhood temperatures and high cylinder pressures in direct-injected Honda 2.0L engines accelerate the degradation of factory ignition coils and spark plug electrodes. Thermal cycling breaks down internal OEM epoxy insulation, causing micro-arcing and secondary winding breakdown. This dielectric fatigue leads to high-load spark blowout, random cylinder misfires, unburned hydrocarbons in the catalytic converter, and noticeable hesitation under acceleration.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis replacement kit pairs four high-output coil-on-plug units with premium fine-wire iridium spark plugs. Built with heavy-duty primary and secondary internal copper windings, direct-fit blade terminals, and high-dielectric polymer housings, these coils resist voltage leakage and thermal breakdown. The iridium center electrodes require lower ionization voltage, stabilizing the flame kernel under cylinder pressure for crisper throttle response, smooth idle, and complete fuel atomization.\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;\"\u003e2017-2021 Honda Accord\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;\"\u003eK20C4 \/ CV2\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;\"\u003e252 hp \/ 273 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;\"\u003eUF781, UF-781\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2017-2021 Honda Accord 2.0L 4-Cylinder (Gas \/ Turbo \/ Hybrid models requiring UF781 specification)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Honda Performance Caliber\u003c\/h3\u003e\n\u003cp\u003eEngineered to satisfy exacting JDM tolerances, this ignition service kit sustains peak cylinder pressure and precise timing without triggering misfire fault codes, maintaining factory drivability and boost stability.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50452866859256,"sku":"DS-EGWMO2CDR","price":111.95,"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-honda-accord-2017-2021-2-0l-1.jpg?v=1788723628","url":"https:\/\/performancechiptuning.com\/products\/ignition-coil-and-iridium-spark-plugs-for-honda-accord-2017-2021-2-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}