DG508 Ignition Coil Pack Curved Boot 8 PCS - Reduces Misfire

In this review the DG508 Ignition Coil Pack is evaluated for users who need a full replacement coil set for older Ford, Lincoln and Mercury V8/V10 engines. The bottom line: this 8-piece curved boot kit aims to restore spark strength and reduce misfires by using high grade materials that resist corrosion and abrasion, making it a practical, cost-conscious choice for DIY mechanics and fleet maintenance where OEM coils have begun to fail.

Key Features

• High grade materials: Durable construction provides higher electrical resistance and helps deliver a stronger spark to plugs under heavy use.
• Curved boot design: The curved boots are shaped to match older Ford V8/V10 installations and can reduce misfire and hesitation when they are the correct fit.
• Full 8-piece kit: Includes 8 coils so an entire bank or engine can be replaced at once for consistent ignition performance.
• Corrosion and abrasion resistance: Materials resist environmental wear, which helps maintain function over repeated heat and vibration cycles.
• Easy installation: Replacement coils are straightforward to install as direct replacements on compatible engines, saving time in routine repairs.

Who It's For

This coil pack is best for owners of Ford E150, E250, E550, F150, F250, F550 and compatible Lincoln/Mercury models equipped with 4.6L, 5.4L or 6.8L V8/V10 engines where the curved boot style is required. It suits DIY mechanics, small shops, and fleet managers who want an economical full-set replacement to clear misfires and restore engine smoothness.

It is not appropriate for vehicles that use straight boot coils or for 2004 and newer F150s with the 5.4L V8 where the curved design will not fit; in those cases users should look for straight-boot or model-specific OEM-style coils.

Pros & Cons

Pros

• Good value: eight coils included lets owners replace all cylinders at once without repeated purchases.
• Improved spark: customers report a noticeably hotter spark and reduced hesitation when fit is correct.
• Durable materials: resistance to corrosion and abrasion helps in harsh underhood conditions.

Cons

• Fitment caveat: curved boots do not fit 2004+ F150 5.4L V8, and some users reported mixed fit results compared with OEM coils.
• Durability mixed: a minority of users noted these did not last as long as OEM on high-mileage engines.

Specifications

Our Verdict

The DG508 8-piece curved ignition coil pack is a practical, cost-effective option for owners of compatible Ford, Lincoln and Mercury V8/V10 engines who need to cure misfires and restore spark strength. It offers clear value when the curved boot matches the engine layout, but buyers should confirm fitment for newer 5.4L F150s and expect OEM longevity only in some cases.

Frequently Asked Questions

Will these coils fit my 5.4L F150?
These curved coils do not fit 2004 and newer F150s with the 5.4L V8; confirm your engine year and boot style before purchasing.

How many coils are included?
The package includes 8 curved boot ignition coils so you can replace the entire set at once.

Do they reduce misfires?
Yes, when correctly matched to the engine these replacement coils are reported to reduce misfire and hesitation by providing a stronger spark.