{"product_id":"ignition-coil-and-iridium-spark-plugs-for-buick-regal-sportback-2018-2020-3-6l","title":"Ignition Coil and Iridium Spark Plugs for Buick Regal Sportback (2018-2020) 3.6L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Kit for 2018-2020 Buick Regal Sportback\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e Replaces degraded factory ignition components with high-conductance copper-wound coil packs and fine-wire iridium plugs to restore precise combustion timing and eliminate high-load misfires.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Regal Sportback Ignition Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe naturally aspirated direct-injected 3.6L LGX V6 operates under elevated cylinder pressures and thermal cycles within tight engine bay packaging. Over extended mileage, factory coil windings suffer insulation breakdown and dielectric fatigue from heat soak, leading to intermittent secondary voltage dropouts. Simultaneously, factory spark plug gaps erode, increasing electrical resistance, degrading fuel atomization, and causing rough idling, hesitation under wide-open throttle, and unburnt hydrocarbon buildup.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis complete ignition service kit features six direct-mount coil packs engineered with high-grade internal copper windings and heavy-duty magnetic lamination cores for stable, rapid spark saturation. Reinforced thermoplastic housings and high-dielectric silicone boots resist thermal cracking and dielectric arc-through. Paired with fine-wire iridium spark plugs offering high melting points and corrosion resistance, the kit ensures low ignition voltage requirements, consistent flame kernel propagation, and responsive throttle response across the 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 Buick Regal Sportback \/ GS\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;\"\u003e3.6L LGX V6 \/ E2XX\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;\"\u003e310 hp \/ 282 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;\"\u003eUF830, 12666339, 12688894, C962, C2035, 5C2094, GN10889\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2018 Buick Regal Sportback (3.6L V6 LGX)\u003c\/li\u003e\n  \u003cli\u003e2019 Buick Regal Sportback (3.6L V6 LGX)\u003c\/li\u003e\n  \u003cli\u003e2020 Buick Regal Sportback (3.6L V6 LGX)\u003c\/li\u003e\n  \u003cli\u003e2018-2020 Buick Regal GS (3.6L V6 LGX)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Buick Reliability Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to exact OEM interface dimensions, these ignition components provide plug-and-play installation without triggering diagnostic trouble codes or requiring ECU recalibration, ensuring factory-level operational refinement and long-term durability.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50449198907640,"sku":"DS-EM3K15YRV","price":129.95,"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-buick-regal-sportback-2018-2020-3-6l-1.jpg?v=1788669515","url":"https:\/\/performancechiptuning.com\/fr\/products\/ignition-coil-and-iridium-spark-plugs-for-buick-regal-sportback-2018-2020-3-6l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}