{"product_id":"ignition-coil-and-iridium-spark-plugs-for-buick-regal-2011-2013-2-0l","title":"Ignition Coil and Iridium Spark Plugs for Buick Regal (2011-2013) 2.0L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Kit for 2011-2013 Buick Regal\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eReplaces degraded factory ignition components:\u003c\/strong\u003e Restores primary and secondary spark energy delivery across high-boost operating conditions on GM turbocharged engines.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Regal Ignition Coil Insulation Breakdown\u003c\/h3\u003e\n\u003cp\u003eUnder elevated cylinder pressures and continuous thermal cycling, the OEM ignition coils on the Regal turbo platform suffer dielectric insulation fatigue. Radiated engine bay heat degrades the internal epoxy potting, causing internal winding resistance shifts and high-load secondary arcing. This results in misfire codes (P0300-P0304), sluggish boost onset, and rough idle characteristics.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis direct-replacement kit features coil-on-plug assemblies engineered with high-grade copper primary and secondary windings encased in high-dielectric epoxy housing. Paired with fine-wire iridium spark plugs engineered to withstand severe combustion temperatures, this assembly ensures minimal quenching, low firing voltage requirements, and reliable flame propagation under full turbo boost.\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;\"\u003e2011-2013 Buick Regal 2.0L\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 Ecotec (LHU) \/ GM Epsilon II\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;\"\u003e220 hp \/ 258 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;\"\u003eUF491, UF-491, 12638824, 12578244\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2011 Buick Regal CXL Turbo 2.0L L4 Gas\u003c\/li\u003e\n  \u003cli\u003e2012 Buick Regal Base Turbo \/ GS 2.0L L4 Gas \/ Flex\u003c\/li\u003e\n  \u003cli\u003e2013 Buick Regal Base Turbo \/ GS 2.0L L4 Gas \/ Flex\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Buick Combustion Caliber\u003c\/h3\u003e\n\u003cp\u003eBuilt to factory resistance profiles and pin terminal specifications, ensuring seamless plug-and-play installation, immediate engine response, and fault-free operation without triggering CEL conditions.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50451959447800,"sku":"DS-EQDEHQMAI","price":85.95,"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-2011-2013-2-0l-1.jpg?v=1788714669","url":"https:\/\/performancechiptuning.com\/products\/ignition-coil-and-iridium-spark-plugs-for-buick-regal-2011-2013-2-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}