{"product_id":"ignition-coil-iridium-spark-plugs-for-land-rover-defender-90-110-2022-2023-5-0l-v8","title":"Ignition Coil \u0026 Iridium Spark Plugs for Land Rover Defender 90 110 (2022-2023) 5.0L V8","description":"\u003ch2\u003eHigh-Performance Ignition Coil \u0026amp; Iridium Spark Plug Kit for 2022-2023 Land Rover Defender 5.0L V8\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eDirect-fit replacement ignition coil and iridium spark plug suite designed to restore proper combustion, eliminate misfires, and ensure consistent spark delivery under extreme loads.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Defender Ignition Weakness\u003c\/h3\u003e\n\u003cp\u003eOEM ignition systems on the AJ133 5.0L Supercharged V8 are notoriously susceptible to thermal degradation and voltage leak due to extreme under-hood temperatures. Continuous heat cycling breaks down standard coil pack potting material, leading to premature spark blowout, intermittent misfires under heavy acceleration, and compromised fuel efficiency. Standard nickel-tipped plugs wear rapidly under forced induction cylinder pressures, requiring frequent replacements to maintain optimal idle and throttle response.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis kit overhauls the L663 ignition system using premium 12V direct bolt-on ignition coils engineered with high-dielectric epoxy to resist heat soak and voltage leak. Paired with pre-gapped (0.7-0.8\") high-performance iridium spark plugs, the system delivers a hotter, more stable spark than traditional platinum or nickel components. The iridium center electrode ensures precise spark localization, reducing ignition delay while withstanding the intense cylinder pressures of the AJ133 V8. Features include a 14mm hex, 28mm reach, and optimal 3-12KΩ resistance for seamless ECU communication.\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;\"\u003e2022-2023 Land Rover Defender 90 \/ 110\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;\"\u003eAJ133 5.0L V8 \/ L663\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;\"\u003e518 hp \/ 461 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;\"\u003eUF-730, DX2312A366AC, LR035548, NGK93476\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2022 Land Rover Defender 90 5.0L V8\u003c\/li\u003e\n  \u003cli\u003e2022 Land Rover Defender 110 5.0L V8\u003c\/li\u003e\n  \u003cli\u003e2023 Land Rover Defender 90 5.0L V8\u003c\/li\u003e\n  \u003cli\u003e2023 Land Rover Defender 110 5.0L V8\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Land Rover Caliber\u003c\/h3\u003e\n\u003cp\u003eThe L663 Defender demands unrelenting reliability off-road and on the highway. Upgrading to these precision-engineered coils and iridium plugs ensures optimal towing performance, smooth power delivery, and steadfast durability in harsh overlanding conditions without triggering a check engine light.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50177347944696,"sku":"DS-E954THOLU","price":249.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/ignition-coil-iridium-spark-plugs-for-land-rover-defender-90-110-2022-2023-5-0l-v8-1.jpg?v=1787004525","url":"https:\/\/performancechiptuning.com\/products\/ignition-coil-iridium-spark-plugs-for-land-rover-defender-90-110-2022-2023-5-0l-v8","provider":"Performance Chip Tuning","version":"1.0","type":"link"}