MAS Ignition Coil Pack and Iridium Spark Plug Kit — Set of 8 for 4.6L/5.4L V8, Direct-Fit, 12-Month Coverage

MAS set pairs eight direct-fit ignition coils with high-performance iridium spark plugs engineered to replace worn units on select 4.6L and 5.4L Ford-family V8 engines.

This replacement kit combines eight matched ignition coils and MAS iridium spark plugs in one package to restore reliable ignition across the V8 cylinder bank. Designed as direct-fit replacements for a wide range of Ford, Mercury and Lincoln models, the kit lists equivalent OE and aftermarket part numbers to help you match the correct components. A 12-month coverage period provides added assurance after installation.

Will this kit fit my vehicle?

The MAS kit is intended for specific 4.6L and some 5.4L naturally aspirated Ford-family engines; always confirm fitment before ordering to avoid mismatches. Fitment spans many Crown Victoria, F-150, Mustang, Explorer, Expedition, E-Series, Grand Marquis, Town Car, Navigator and Mountaineer model years noted below.

• Check the model year and engine displacement against the provided vehicle fitment list.
• Compare your existing part numbers with listed replacements (for example SP493, DG508 and equivalents).
• Fitment verification prevents ordering the wrong coil or plug type for similarly numbered engines.

How do these coils and iridium plugs improve engine operation?

Replacing failing coils and worn plugs can restore misfiring behavior and stabilize ignition timing, improving drivability and throttle response. The kit supplies matched coils and iridium electrodes designed to deliver consistent spark energy across cylinders.

• Matched coil pack for uniform spark delivery across all eight cylinders.
• Iridium spark plugs offer a durable electrode for reliable ignition over long intervals.
• Direct-fit design simplifies installation without modification in compatible vehicles.

What parts and coverage come with the purchase?

The box contains eight MAS ignition coils and MAS iridium spark plugs—sufficient for a full-bank replacement on V8 engines listed. The product also carries a 12-month coverage to address defects after purchase.

• Contents: 8 ignition coils + iridium spark plugs (complete bank replacement).
• Replacement references: includes common OE/matching numbers for cross-checking.
• 12-month coverage included; follow seller instructions for claims.

Can I install these parts myself and what should I watch for?

Experienced DIYers with basic automotive tools can fit the coils and plugs, but take care to follow proper torque specs and anti-seize/boot seating practices. If uncertain, have a qualified mechanic perform the swap to avoid engine damage or poor performance from incorrect installation.

• Follow vehicle service manual for plug gap, torque, and coil mounting sequence.
• Replace one coil/plugs at a time to keep track of wiring and cylinder order.
• Verify compatibility using the provided fitment list before starting work.

Who this is for: This MAS full-bank ignition kit suits owners and technicians who need a coordinated set of replacement ignition coils and quality iridium spark plugs for select 4.6L and 5.4L Ford-family V8 engines. It's ideal for restoring consistent ignition, resolving misfires, and completing a preventive maintenance overhaul on compatible Crown Victoria, F-150, Mustang, Explorer, Expedition, E-Series, Grand Marquis, Town Car, Navigator and Mountaineer models—provided fitment is verified prior to purchase.