{"product_id":"ignition-coil-and-iridium-spark-plugs-for-porsche-911-1999-2009-3-4l-3-6l-3-8l","title":"Ignition Coil and Iridium Spark Plugs for Porsche 911 (1999-2009) 3.4L 3.6L 3.8L","description":"\u003ch2\u003eDirect-Fit High-Output Ignition Kit for 1999-2009 Porsche 911\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003ePrimary Function:\u003c\/strong\u003e Completely overhauls the primary ignition system to eliminate high-RPM spark blowout, rough idle, and cylinder misfires on M96 and M97 flat-six engines.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock 911 Coil Heat-Soak \u0026amp; Casing Fatigue\u003c\/h3\u003e\n\u003cp\u003eDue to the horizontal boxer layout of the Porsche 911, ignition coils sit in tight packaging in close proximity to the exhaust manifolds. Constant severe thermal cycling causes factory plastic housings and internal epoxy potting to develop microscopic stress fractures over time. Moisture and road grime penetrate these cracks, creating direct electrical grounding paths to the cylinder head, resulting in diagnostic trouble codes (P0300–P0306), lost throttle response, and unburnt fuel entering the exhaust tract.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis ignition kit utilizes reinforced high-dielectric composite housings and heavy-gauge internal copper windings designed to resist thermal breakdown and provide higher peak secondary voltage. Paired with fine-wire iridium spark plugs, this setup reduces the required breakdown voltage across the gap, optimizes flame kernel expansion under high compression, and prevents misfires under aggressive track or street loads. Factory-indexed blade terminals guarantee drop-in OE fitment.\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;\"\u003e1999-2009 Porsche 911\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;\"\u003eM96 \/ M97 (3.4L, 3.6L, 3.8L) \/ 996 \u0026amp; 997.1\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;\"\u003e296 - 380 hp \/ 258 - 310 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;\"\u003eUF346, UF544, 99760210700\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1999-2001 Porsche 911 Carrera \/ Carrera 4 (3.4L H6 - M96)\u003c\/li\u003e\n  \u003cli\u003e2002-2008 Porsche 911 Carrera \/ Carrera 4 \/ Targa 4 (3.6L H6 - M96\/M97)\u003c\/li\u003e\n  \u003cli\u003e2005-2008 Porsche 911 Carrera S \/ Carrera 4S (3.8L H6 - M97)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Porsche Precision Caliber\u003c\/h3\u003e\n\u003cp\u003eEngineered to meet stringent European performance tolerances, this direct-replacement assembly delivers crisp throttle modulation, consistent cold-start ignition, and total freedom from check-engine lights while maintaining catalytic converter integrity.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50456029200632,"sku":"DS-EUITZOZSQ","price":141.95,"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-porsche-911-1999-2009-3-4l-3-6l-3-8l-1.jpg?v=1788757032","url":"https:\/\/performancechiptuning.com\/fr\/products\/ignition-coil-and-iridium-spark-plugs-for-porsche-911-1999-2009-3-4l-3-6l-3-8l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}