{"product_id":"ignition-coil-spark-plugs-for-subaru-impreza-1995-1996-1998-2-2l-2-5l","title":"Ignition Coil + Spark Plugs for Subaru Impreza (1995-1996, 1998) 2.2L 2.5L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Output Ignition Coil and Spark Plug Kit for Subaru Impreza (GC\/GF\/GM)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The ignition coil pack and spark plug kit restores secondary ignition voltage and uniform combustion across all cylinders on the Subaru Impreza to eliminate misfires and restore crisp throttle response.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Subaru Impreza Heat Soak and Dielectric Breakdown Problem\u003c\/h3\u003e\n\u003cp\u003eThe factory wasted-spark coil pack on early naturally aspirated \u003cstrong\u003eEJ22\u003c\/strong\u003e and \u003cstrong\u003eEJ25D\u003c\/strong\u003e boxer engines is mounted directly atop the intake manifold, subjecting it to intense thermal cycling. Over decades of service, engine bay heat embrittles the stock composite casing, generating micro-fractures in the potting epoxy. This leads to carbon tracking, secondary winding resistance drift, and high-voltage arc-out to ground under heavy load. Combined with aged, widened electrode gaps on high-mileage spark plugs, the compromised ignition energy induces hesitant tip-in response, rough idling, and unburnt fuel wash across the cylinder walls.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered as a direct bolt-in replacement, this ignition pack features reinforced thermoplastic construction and high-grade internal epoxy insulation to isolate secondary windings from engine heat and moisture ingress. Matched with four precisely gapped spark plugs engineered for thermal dissipation and arc stability, this package provides consistent peak kilovolt output across the horizontal-opposed layout. The balanced primary and secondary resistance preserves factory ECU dwell parameters while restoring flame kernel velocity and fuel efficiency under all manifold pressure conditions.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; min-width: 300px;\"\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eSubaru Impreza\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eEJ22E, EJ25D \/ GC, GF, GM\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e135–165 hp \/ 140–162 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e174EAA59-UF159, UF159\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1995–1996 Subaru Impreza 2.2L H4 (EJ22E)\u003c\/li\u003e\n  \u003cli\u003e1998 Subaru Impreza 2.5L H4 (EJ25D DOHC)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the GC\/GF Impreza?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 1995–1996 and 1998 Subaru Impreza equipped with the \u003cstrong\u003eEJ22\u003c\/strong\u003e and \u003cstrong\u003eEJ25\u003c\/strong\u003e naturally aspirated boxer engines.\u003c\/p\u003e\n\n\u003ch4\u003eAre new spark plug wires required when installing this assembly?\u003c\/h4\u003e\n\u003cp\u003eWhile not mandatory, inspecting or renewing high-mileage ignition leads is strongly recommended to maintain low circuit resistance and protect the new coil pack.\u003c\/p\u003e\n\n\u003ch3\u003eThe Subaru Performance Caliber\u003c\/h3\u003e\n\u003cp\u003eTailored specifically for the distinct harmonics and firing sequence of the Subaru flat-four architecture, this assembly delivers instantaneous spark propagation to maximize boxer engine reliability, throttle precision, and power delivery.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67518855217400,"sku":"DS-E0ZJT6ROX","price":69.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/ignition-coil-spark-plugs-for-subaru-impreza-1995-1996-1998-2-2l-2-5l-1.jpg?v=1790371044","url":"https:\/\/performancechiptuning.com\/es\/products\/ignition-coil-spark-plugs-for-subaru-impreza-1995-1996-1998-2-2l-2-5l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}