{"product_id":"ignition-coil-and-iridium-spark-plugs-for-ford-mustang-2018-2020-5-0l","title":"Ignition Coil and Iridium Spark Plugs for Ford Mustang (2018-2020) 5.0L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Kit for 2018-2020 Ford Mustang\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eDesigned For:\u003c\/strong\u003e Restoring factory spark output, combustion stability, and throttle response by eliminating ignition misfires in the high-compression Gen 3 Coyote 5.0L V8.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Mustang Thermal Degradation and Misfire Vulnerability\u003c\/h3\u003e\n\u003cp\u003eUnder demanding operating conditions, the S550 engine bay exposes coil-on-plug modules to intense thermal cycling. Over time, heat soak degrades the internal insulation and primary\/secondary windings, causing resistance spikes and spark leakage. Coupled with electrode gap erosion on aged plugs, this leads to spark blowout under heavy load, erratic idle, loss of high-RPM power, and diagnostic trouble codes (DTCs).\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive tune-up kit features eight direct-replacement ignition coils engineered with high-purity internal copper windings and premium dielectric epoxy potting to resist thermal breakdown and arc-over. Paired with eight fine-wire iridium spark plugs, this kit provides a lower required firing voltage and superior quench resistance, ensuring stable flame kernel propagation, smooth idle characteristics, and consistent ignition throughout the full 7,500 RPM band.\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;\"\u003e2018-2020 Ford Mustang\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;\"\u003eGen 3 Coyote 5.0L V8 \/ S550\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;\"\u003e460 hp \/ 420 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;\"\u003eUF835, UF869, DG565, JR3Z-12029-A, JR3Z-12029-B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2018 Ford Mustang GT (5.0L V8 Fastback \u0026amp; Convertible)\u003c\/li\u003e\n  \u003cli\u003e2019 Ford Mustang GT (5.0L V8 Fastback \u0026amp; Convertible)\u003c\/li\u003e\n  \u003cli\u003e2019 Ford Mustang Bullitt (5.0L V8 Fastback)\u003c\/li\u003e\n  \u003cli\u003e2020 Ford Mustang GT (5.0L V8 Fastback \u0026amp; Convertible)\u003c\/li\u003e\n  \u003cli\u003e2020 Ford Mustang Bullitt (5.0L V8 Fastback)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Ford Muscle Caliber\u003c\/h3\u003e\n\u003cp\u003eEngineered to meet the stringent demands of high-revving naturally aspirated V8 applications, ensuring optimal combustion chamber efficiency, sharp throttle response, and uncompromised horsepower delivery.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50447746793720,"sku":"DS-EK3APDD93","price":149.95,"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-mustang-2018-2020-5-0l-1.jpg?v=1788622836","url":"https:\/\/performancechiptuning.com\/fr\/products\/ignition-coil-and-iridium-spark-plugs-for-ford-mustang-2018-2020-5-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}