{"product_id":"ignition-coil-and-iridium-spark-plugs-for-volvo-s80-1999-2006-2-9l","title":"Ignition Coil and Iridium Spark Plugs for Volvo S80 (1999-2006) 2.9L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Kit for 1999-2006 Volvo S80\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eDirect-Replacement Ignition System:\u003c\/strong\u003e Restores factory ignition energy, stabilizes secondary voltage, and eliminates cylinder misfires across all six cylinders on the 2.9L inline-six Volvo S80.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock S80 Ignition Breakdown\u003c\/h3\u003e\n\u003cp\u003eOn the Volvo P2 platform's Modular inline-six engine, ignition coils endure severe thermal cycling within the enclosed cylinder head valley under the top vanity cover. Over time, OEM epoxy encapsulation degrades, causing micro-fractures, secondary insulation breakdown, and voltage leakage. Combined with worn spark plugs exhibiting widening gaps that demand higher arc voltage, this degradation leads to rough cold starts, hesitation under load, erratic idle, and recurring P0300-P0306 misfire codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive service kit features six direct-fit coil-on-plug assemblies manufactured with high-conductivity oxygen-free copper secondary windings and high-dielectric epoxy potting to resist heat soak and prevent internal shorting. Paired with six fine-wire iridium spark plugs, the kit lowers ignition voltage requirements and optimizes flame kernel propagation for efficient, complete combustion and smooth throttle response without triggering false knock or CEL faults.\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;\"\u003e1999-2006 Volvo S80\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;\"\u003e2.9L I6 (B6294S \/ B6294T \/ B6304S) \/ Volvo P2 (TS)\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;\"\u003e194-268 hp \/ 207-280 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;\"\u003eUF341, 30713416, 307134160, 9125601, C1258, 5C1320, 178-8333, 0221604001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1999-2006 Volvo S80 2.9L 6-Cylinder Naturally Aspirated (B6294S, B6304S)\u003c\/li\u003e\n  \u003cli\u003e1999-2006 Volvo S80 2.9L 6-Cylinder Turbocharged T6 (B6294T)\u003c\/li\u003e\n  \u003cli\u003eInterchange Part Numbers: UF341, 30713416, 307134160, 9125601, C1258, 5C1320, 178-8333, 0221604001\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Volvo Precision Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to comply with stringent European OBD-II tolerances, this ignition system maintains factory-calibrated impedance and secondary waveform integrity to keep your Motronic engine management system operating without check engine lights or fuel-trim drift.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50448894034168,"sku":"DS-EQVWJM87J","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-volvo-s80-1999-2006-2-9l-1.jpg?v=1788662736","url":"https:\/\/performancechiptuning.com\/products\/ignition-coil-and-iridium-spark-plugs-for-volvo-s80-1999-2006-2-9l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}