{"product_id":"ignition-coil-and-iridium-spark-plugs-for-ford-mustang-2005-2009-4-6l","title":"Ignition Coil and Iridium Spark Plugs for Ford Mustang (2005-2009) 4.6L","description":"\u003ch2\u003eHigh-Output Direct-Fit Ignition Kit for 2005-2009 Ford Mustang\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eDirect Replacement Ignition Upgrade:\u003c\/strong\u003e Restores factory secondary ignition performance and eliminates high-load misfires on 3-valve Modular V8 engines.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Mustang Ignition Weakness\u003c\/h3\u003e\n\u003cp\u003eThe factory coil-on-plug (COP) units on the 4.6L 3V Modular engine frequently suffer from thermal degradation due to tight cylinder head packaging and intense under-hood heat cycles. Over time, internal epoxy insulation breaks down, causing internal voltage arc-over, high-RPM spark blowout, rough idling, and hesitation under open-throttle load.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive service pack replaces all eight coil assemblies and spark plugs with heavy-duty components. The ignition coils feature premium internal copper windings and high-dielectric epoxy potting to withstand severe thermal stress and prevent dielectric breakdown. Paired with fine-wire iridium spark plugs, this kit provides a stable, concentrated spark kernel with lower required firing voltage, optimizing flame-front propagation and preventing carbon fouling under sustained operating temperatures.\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;\"\u003e2005-2009 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;\"\u003e4.6L 3V Modular V8 \/ S197\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;\"\u003e300 hp \/ 320 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;\"\u003eDG511, DG-511, FD508, SP546, UF537\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2005 Ford Mustang GT 4.6L V8\u003c\/li\u003e\n  \u003cli\u003e2006 Ford Mustang GT 4.6L V8\u003c\/li\u003e\n  \u003cli\u003e2007 Ford Mustang GT 4.6L V8\u003c\/li\u003e\n  \u003cli\u003e2008 Ford Mustang GT \/ Bullitt 4.6L V8\u003c\/li\u003e\n  \u003cli\u003e2009 Ford Mustang GT \/ Bullitt 4.6L V8\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Ford Muscle Caliber\u003c\/h3\u003e\n\u003cp\u003eEngineered to meet demands of modern street and track driving, this ignition kit delivers smooth idle stability, sharp throttle response, and uncompromised combustion efficiency throughout the powerband.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50452211564792,"sku":"DS-E8UQ701ZF","price":110.95,"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-2005-2009-4-6l-1.jpg?v=1788720906","url":"https:\/\/performancechiptuning.com\/es\/products\/ignition-coil-and-iridium-spark-plugs-for-ford-mustang-2005-2009-4-6l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}