{"product_id":"ignition-coil-and-iridium-spark-plugs-for-cadillac-ct6-2016-2019-2-0l","title":"Ignition Coil and Iridium Spark Plugs for Cadillac CT6 (2016-2019) 2.0L","description":"\u003ch2\u003eDirect-Replacement Ignition Kit for 2016-2019 Cadillac CT6\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003ePrimary Function:\u003c\/strong\u003e Restores high-voltage secondary ignition output and precise flame-front propagation for the 2.0L Turbo direct-injected engine.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock CT6 Ignition Thermal Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe forced-induction LTG engine operates under high cylinder pressures and elevated under-hood temperatures. Over time, OEM coil packs suffer from dielectric breakdown, thermal cycling fatigue, and cracked internal epoxy insulation. This causes high-voltage micro-arcing and secondary resistance drift. Combined with premature electrode wear on factory plugs, this degradation leads to high-boost spark blowout, rough idle, hesitation, and stored P0300 misfire codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive service kit pairs four heavy-duty coil-on-plug assemblies with fine-wire iridium spark plugs. Each ignition coil features high-purity copper windings, specialized high-dielectric potting compound, and thermal-resistant boots to prevent voltage leakage under high-load boost conditions. The paired iridium plugs deliver high thermal stability, precise spark gap retention, and low voltage demand to ensure stable combustion efficiency and crisp throttle response.\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;\"\u003e2016-2019 Cadillac CT6\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;\"\u003e2.0L Turbo (LTG) \/ GM Omega Platform\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;\"\u003e265 hp \/ 295 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;\"\u003eUF680, 12654078, 12627120, 12652400, C869, C1827\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2016-2019 Cadillac CT6 Base 2.0L L4 Turbo (Gas)\u003c\/li\u003e\n  \u003cli\u003e2016-2019 Cadillac CT6 Luxury 2.0L L4 Turbo (Gas)\u003c\/li\u003e\n  \u003cli\u003e2016-2018 Cadillac CT6 Premium Luxury 2.0L L4 Turbo (Gas)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Cadillac Luxury Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to meet stringent GM electronic tolerances, this direct-fit ignition kit ensures zero CEL interference, smooth idle harmonics, and reliable cold starts across all luxury driving conditions.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50448299229432,"sku":"DS-EGPXM0O7X","price":100.95,"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-cadillac-ct6-2016-2019-2-0l-1.jpg?v=1788639298","url":"https:\/\/performancechiptuning.com\/products\/ignition-coil-and-iridium-spark-plugs-for-cadillac-ct6-2016-2019-2-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}