SYKRSS 8 Ignition Coils+ 8 Spark Plugs UF191/SP493 for Mustang/Navigator — Open-Box, 30% Off

【 DIRECT FIT FOR MULTIPLE VEHICLE MODELS 】 This ignition coils kit fits your 4.6L/5.4L/5.8L V8 – for Ford (GT 2005-2006 5.4L, Mustang 2013-2014 5.8L / 2007-2012 5.4L / 2001-2004 4.6L), for Lincoln (Aviator 2003-2005 4.6L, Navigator 1999-2004 5.4L, Continental 1998-2002 4.6L, Mark VIII 1998 4.6L), for Mercury Marauder 2003-2004 4.6L, for Panoz Esperante 2001-2007 4.6L, and for Avanti 2005-2007 4.6L. Replace all 8 coils and plugs at once to stop misfires, rough idle, hesitation, check-engine lights – restore lost power and throttle response.

【 OEM-PERFECT FIT WITH A TWIST 】 Precision-molded to meet OEM specs – no modifications, no splicing wires. ignition coils directly replace UF191, DG543, C1128, 50045, DG466, DG468, DG475, DG478, DG487, F524, F7LU120, GN10164, C-584, and more. Spark plugs directly replace SP493, SP-479, AGSF22WM, GSF22WMF4, AGSF-22W-M, AGSF-22W-MF4. Pull them out of the box and install immediately.

【 BUILT FOR UNDER-HOOD HELL 】 We didn't just copy the OEM; we upgraded the guts. Coils are wound with German-imported enameled copper wire and potted in Japanese epoxy resin to withstand extreme vibration. Silicone boots resist the brutal 105°C (peak 125°C) heat that cooks cheaper coils. Say goodbye to cracked boots leaving you stranded on the highway – these are tested from -40°C to survive Alaskan winters and Arizona summers.

【 WHY IRIDIUM? 】 The ultra-fine iridium electrode fires a concentrated, powerful spark even under heavy load – whether you're pushing your Mustang GT or cruising in your Navigator. The isostatic ceramic insulator prevents carbon tracking and flashover, ensuring consistent combustion for 60,000+ miles. Expect fewer fuel-wasting misfires, smoother idle, and noticeably quieter engine at highway speeds.

【 WE'VE GOT YOUR BACK – LITERALLY 】 Buying ignition parts online is risky – we get it. That's why we back this kit with a 1-Year No-Questions-Asked Replacement Promise (failed coil or plug? we ship a new one ASAP – no hassle, no runaround). Before installation, send us your VIN or Year/Make/Model and we'll double-check fitment within 12 hours (avg. real reply: 6.2 hrs). We've verified over 2,000 vehicle builds – ask us first, install with confidence.

【Solution】In order to fixes common ignition system failures, such as backfiring, misfires, stalling, engine jerking, poor idling and restores power, check engine lights for circuit malfunction and hard stalling. All of the coil packs and spark plugs used to operate reliably under all operating conditions and throughout the entire engine speed range for peak engine performance, it through strict quality control testing, offer the better performance and dependability.