SYKRSS Ignition Coil and Iridium Spark Plug Kit for 5.7L V8 — 8 Coils + 16 Plugs, Direct-Fit Replacement (2008–2024)

SYKRSS Ignition Coils (8-pack) with 16 Premium Iridium Spark Plugs is a direct-fit replacement kit engineered for 5.7L HEMI V8 Dodge, Jeep, Chrysler and Ram models to restore reliable ignition and smoother performance.

If your 5.7L engine is showing misfires, rough idle, hesitation or an illuminated check engine light, replacing all coils and spark plugs at once often resolves intermittent ignition issues. This complete kit from SYKRSS contains eight heavy-duty coil packs and sixteen pre-gapped iridium spark plugs sized to match factory specs, plus an installation guide and one-year coverage. It’s made to drop into compatible Chrysler, Dodge, Jeep and Ram vehicles without modification, but always confirm fitment by checking your VIN.

Which vehicles will this SYKRSS ignition kit fit?

This kit targets 5.7L HEMI V8 applications across multiple model years. Fitment spans Chrysler, Dodge, Jeep and Ram vehicles; dates vary by production plant and VIN. Use the VIN eighth-digit check for exact compatibility when in doubt.

• Fits Chrysler 300, Aspen; Dodge Challenger, Charger, Durango, Ram series; Jeep Grand Cherokee, Commander, Wagoneer, and more.
• Coverage includes model years approximately 2008–2024 for many platforms—verify VIN for final confirmation.
• Includes 8 coils + 16 iridium plugs to replace every cylinder and coil on V8 5.7L engines.

How are these coils and plugs engineered compared with originals?

SYKRSS designed the coils and plugs as precise replacements for several factory part numbers, ensuring easy installation and reliable electrical characteristics. Materials and construction aim to resist heat and electrical leakage in demanding under-hood conditions.

• Coils built with silicon-steel cores, high-pressure boots, and quality epoxy for heat resistance.
• Iridium-tipped plugs are pre-gapped to factory dimensions for consistent ignition performance.
• Meets form-and-fit for common OEM references so no wiring or bracket changes are required.

Will replacing the entire set fix misfires and drivability problems?

Replacing all coils and spark plugs at once eliminates weak or failing components that cause intermittent misfires and uneven running. While results depend on the vehicle’s overall condition, this full-kit approach standardizes ignition across cylinders.

• Addresses symptoms like rough idle, hesitation, stalling, and engine hesitation caused by ignition faults.
• Swapping all eight coils and sixteen plugs prevents cylinder-to-cylinder variation.
• Recommended when multiple fault codes or recurring misfires are present.

How difficult is installation and what support is included?

SYKRSS supplies the coils, plugs, and an installation guide so an owner with basic tools can complete the swap in a driveway. Typical install time is under an hour for experienced DIYers, and a one-year standard coverage is provided for peace of mind.

• All spark plugs are pre-gapped to factory specifications—no manual gapping required.
• Drop-in coil design fits OEM mounting and electrical connectors.
• Includes 1-year standard protection and a VIN-based fitment check option.

Who is this for: The SYKRSS 8-coil + 16-plug kit is aimed at owners and independent mechanics of 5.7L HEMI-equipped Dodge, Jeep, Chrysler and Ram vehicles who want a complete, value-minded ignition refresh. Choose this kit if you’re troubleshooting misfires, restoring smooth idle and throttle response, preparing a vehicle for inspection, or performing routine maintenance and prefer a single-box solution that replaces every ignition component at once.