{"product_id":"ignition-coil-and-iridium-spark-plugs-for-saab-9-7x-2005-2005-4-2l","title":"Ignition Coil and Iridium Spark Plugs for Saab 9-7X (2005-2005) 4.2L","description":"\u003ch2\u003eDirect-Fit Ignition Coil \u0026amp; Iridium Spark Plug Service Kit for 2005 Saab 9-7X\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e Restores high-voltage secondary ignition delivery and precise cylinder combustion across all 6 cylinders to eliminate rough idle, misfire DTCs (P0300-P0306), and sluggish throttle response.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock 9-7X Coil \u0026amp; Spark Plug Degradation\u003c\/h3\u003e\n\u003cp\u003eThe Atlas 4.2L inline-six runs coil-on-plug packs deep inside the cylinder head wells where trapped heat cycles degrade internal primary and secondary copper windings. Over time, thermal fatigue breaks down internal insulation, inducing micro-arcing and secondary resistance increases that cause spark blowout under heavy load. Compounding this, factory conventional plugs suffer ground electrode erosion and gap widening, placing excessive impedance on failing coil drivers and resulting in unburnt fuel entering the catalytic converter.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis service kit pairs 6 precision-wound direct-ignition coils with 6 ultra-fine wire iridium spark plugs. Built with high-conductivity copper windings, reinforced epoxy potting, and OEM-spec blade terminals, these coils resist thermal breakdown and ensure stable secondary discharge. The fine-wire iridium center electrodes lower required firing voltage, providing a concentrated spark kernel for complete flame propagation, instant cold-start ignition, and smooth torque delivery 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;\"\u003e2005 Saab 9-7X (4.2L L6)\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;\"\u003eAtlas LL8 (Vortec 4200) \/ GMT360\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;\"\u003e275 hp \/ 275 lb-ft (Approx)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003ePart Number \/ Interchange\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eUF303, 12568062, 19300921, 8-12568-062-0, 5C1392, E255, IC414, GN10114\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2005 Saab 9-7X Linear\u003c\/strong\u003e — 4.2L Inline-6 Gas (Atlas LL8)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Saab Engineering Caliber\u003c\/h3\u003e\n\u003cp\u003eEngineered to meet factory electrical tolerances, this ignition system kit ensures zero-CEL operation, stable dwell times, and clean combustion on your GMT360 platform without demanding ECM recalibration.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50429884399864,"sku":"DS-EK94RW2LV","price":124.95,"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-saab-9-7x-2005-2005-4-2l-1.jpg?v=1788452607","url":"https:\/\/performancechiptuning.com\/fr\/products\/ignition-coil-and-iridium-spark-plugs-for-saab-9-7x-2005-2005-4-2l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}