Megaflint High Performance Ignition Coil 8-Pack for Ford 4.6L/5.4L V8 — +15% Energy, Direct-Fit

Megaflint's High Performance Ignition Coil 8-pack delivers a direct-fit replacement for Ford 4.6L and 5.4L V8 engines while providing approximately 15% more ignition energy than OE coils.

These coils are engineered for 1998–2008 Ford 2‑valve modular engines (4.6L, 5.4L, and compatible 6.8L applications) and come as a complete eight‑pack to replace all cylinders at once. Manufactured to OE standards by a TS16949 certified supplier, the set is offered new with a five‑year warranty and matches many common part numbers (DG457, DG472, DG508, 3W7Z12029AA, 21941485, etc.), making it a practical upgrade for Crown Victoria, F‑150/F‑250/F‑350, Mustang, Expedition, Lincoln, and Mercury models that use these coils.

How will these Megaflint coils improve my ignition system?

Megaflint coils are designed to increase peak coil output by roughly 15% over typical OEM units, which can improve spark stability across a range of RPMs. That additional energy helps the spark plug produce a stronger, more consistent spark under load and in marginal conditions.

• Higher peak voltage output for firmer ignition events
• Reduced misfires during high load or elevated RPMs
• Consistent spark delivery across all eight cylinders

Are these coils a direct replacement for my Ford 4.6L or 5.4L engine?

Yes — the set is built to be a direct-fit replacement for 1998–2008 Ford 2‑valve modular engines and lists many interchangeable part numbers used by OEMs and aftermarket suppliers. Installation uses the same mounting points, electrical connectors, and tower geometry as the original coils.

• Direct-fit for Ford 4.6L, 5.4L modular engines (1998–2008)
• Compatible with many OE and aftermarket part numbers for easy cross-reference
• Plug-and-play wiring and mounting — no modifications required

What durability and warranty protections come with this 8‑pack?

Megaflint coils are produced under a TS16949 certified process to meet OE quality and durability expectations. Each coil is new (not remanufactured) and the product is backed by a five‑year warranty to protect against manufacturing defects.

• Manufactured to OE-level quality according to TS16949 standards
• 100% new components — not rebuilt or refurbished
• Five‑year warranty covering manufacturing defects

Which vehicles and part numbers are supported by this pack?

This eight‑coil kit fits a broad range of Ford‑platform vehicles equipped with the hollow‑core modular V8s and matches many cross‑reference numbers used across Ford, Lincoln, Mercury, and aftermarket catalogs. Always verify compatibility with year, make, model and engine code before purchase.

• Commonly used in Ford F‑150/F‑250/F‑350, Crown Victoria, Mustang, Expedition, Lincoln, Mercury
• Cross references include DG457, DG472, DG508, 21941485, 3W7Z12029AA and more
• Engineered for 1998–2008 4.6L, 5.4L and related 6.8L modular engines

Who is this for: Mechanics, fleet managers, and DIY Ford owners who want a reliable, full‑set ignition coil replacement with improved ignition energy and OE‑level durability. This 8‑pack is ideal when replacing coils in higher‑mileage engines, performing a comprehensive ignition service, or upgrading to a firmer spark across all cylinders while keeping installation simple and compatible with factory wiring and mounting.