Ignition Coils Pack (8 Coils DG508+8 Iridium Spark Plugs sp479)Cure Misfires & Rough Idle for Ford F-150 / Mustang/Expedition/E-Series (5.4L/4.6L V8)Direct OE Replacements SP493 DG481

DIRECT FIT FOR MULTIPLE VEHICLE MODELS This Ignition Coils Pack fits your 5.4L / 4.6L V8 for Ford (F-150, F-250, F-350 Super Duty, E-Series Vans, Mustang, Expedition, Explorer, Crown Victoria), for Lincoln Town Car, for Mercury (Grand Marquis, Mountaineer), and for VPG MV-1. Replace all 8 to stop misfires, rough idle, check-engine lights restore lost power and throttle response. Best tune-up for trucks/SUVs over 60K miles on original coils.; OEM-PERFECT FIT WITH A TWIST OEM-spec direct-fit, no mods or splicing. Replaces DG508, DG481, DG491, 1L2Z12029AA, F7TU12A366AB & 30+ coil OE#s.

Spark plugs (OE SP493, SP479) pre-gapped at 0.054", ready out of box.
Critical: Ford modular V8 heads have shallow aluminum threads; torque plugs to exactly 2530 N·m (22 ft-lbs) using a torque wrench. Over-tightening strips threads instantly precise torque ensures leak-proof seal and lasting performance, ideal for DIY owners and professional techs alike.; BUILT FOR UNDER-HOOD HELL We didn't just copy the OEM; we upgraded the guts. Ignition 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 electrodes on these spark plugs fire a concentrated, powerful sp