{"product_id":"kingman-speed®-oe-gen-iii-hemi-ignition-coils-3-pin-8-pack","title":"Kingman Speed® OE GEN III HEMI Black Ignition Coils (3-Pin \/ 8-Pack)","description":"\u003cp\u003e\u003cstrong\u003eCOMPATIBLE: (5.7L\/6.1L\/6.2L\/6.4L)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2005 - 2023 CHRYSLER 300\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2008 - 2023 DODGE CHALLENGER \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2006 - 2023 DODGE CHARGER \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2006 - 2023 DODGE DURANGO \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2003 - 2011 DODGE RAM 1500\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003e2012 - 2027 RAM 1500\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2005 - 2008 DODGE MAGNUM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2014-2018 RAM 2500\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2014 - 2018 RAM 3500 \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2005 - 2021 JEEP GRAND CHEROKEE\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe UF504 is an industry-standard part number for an ignition coil used in many Chrysler, Dodge, Jeep, and Ram vehicles equipped with V8 HEMI engines (5.7L, 6.1L, 6.2L, and 6.4L). It is not a Mopar brand-exclusive part number, but rather the aftermarket designation often used for Mopar-compatible replacements\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAn ignition coil serves as a heavy-duty transformer. It converts the vehicle's low 12-volt battery power into the massive 25,000 to 47,000 volts required by the spark plugs. This high-voltage spark is essential to ignite the air-fuel mixture in your engine's cylinders.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-ved=\"2ahUKEwjCzuGzxICVAxWHJEQIHUaEJKMQi4wTegoIAggACAEIEBAA\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\n\u003cdiv class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgBCBAQAQ\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cstrong\u003eBecause it operates under extreme heat and vibration, these coils can eventually fail. Signs that one or more of your coils are going bad include:\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-ved=\"2ahUKEwjCzuGzxICVAxWHJEQIHUaEJKMQi4wTegoIAggACAEIFxAA\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\n\u003cul class=\"KsbFXc U6u95\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgBCBcQAQ\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);' style=\"font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cspan class=\"Yjhzub\"\u003eEngine misfires:\u003c!--TgQPHd|[]--\u003e\u003c\/span\u003e Rough idling or hesitation when accelerating.\u003c!--TgQPHd|[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgBCBcQAg\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);' style=\"font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cspan class=\"Yjhzub\"\u003eDecreased power and poor fuel economy:\u003c!--TgQPHd|[]--\u003e\u003c\/span\u003e The engine works harder to run, using more gas.\u003c!--TgQPHd|[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd|[]--\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-hveid=\"CAIIAAgBCBcQAw\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);' style=\"font-weight: bold;\"\u003e\u003cstrong\u003e\u003cspan class=\"T286Pc\" data-sfc-cp=\"\" data-sfc-root=\"c\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cspan class=\"Yjhzub\"\u003eCheck Engine Light:\u003c!--TgQPHd|[]--\u003e\u003c\/span\u003e The dashboard light will illuminate, and diagnostic scanners will often throw cylinder misfire codes\u003c\/span\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Kingman Speed®","offers":[{"title":"Default Title","offer_id":42880632488030,"sku":"KING-HEMI-BK-UF504","price":90.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0030\/5315\/8515\/files\/Screenshot2026-06-11at6.16.17PM.png?v=1781227036","url":"https:\/\/10secondracing.com\/en-gb\/products\/kingman-speed%c2%ae-oe-gen-iii-hemi-ignition-coils-3-pin-8-pack","provider":"10 Second Racing","version":"1.0","type":"link"}