8-Piece High-Output Performance Ignition Coil Set

Premium Red Coil Upgrade for Chrysler, Dodge, Jeep, and Ram HEMI V8 Engines

Unlock the full power and smooth-running potential of your V8 engine with this 8-Piece Performance Ignition Coil Set. Finished in a striking performance red, these coils are specifically engineered to provide a higher voltage output than standard replacements. By delivering a more intense and consistent spark, these coils improve throttle response, maximize fuel efficiency, and ensure stable combustion even under high-load conditions like towing or performance driving.

Whether you are running a 5.7L, 6.1L, 6.2L, or 6.4L HEMI, these coils are built to withstand the intense heat soak common in high-displacement engine bays. Featuring upgraded internal copper windings and superior dielectric insulation, they eliminate the "carbon tracking" and internal arcing that frequently cause misfires, rough idling, and loss of power in aging vehicles.

Fitment Verification and Vehicle Applications

This 8-piece performance set is compatible with a wide range of V8-equipped models:

• Chrysler 300 / Aspen: 5.7L, 6.1L, 6.4L (2005–2022)

• Dodge Challenger / Charger: 5.7L, 6.1L, 6.2L, 6.4L (2006–2022)

• Dodge Durango / Magnum: 5.7L, 6.1L, 6.4L (2006–2022)

• Jeep Grand Cherokee / L / Wagoneer: 5.7L, 6.1L, 6.2L, 6.4L (2006–2022)

• Jeep Wrangler (392): 6.4L (2021–2022)

• Dodge Ram / Ram 1500–5500: 5.7L, 6.2L (TRX), 6.4L (2006–2022)

• Ram 1500 Classic: 5.7L (2019–2022)

Technical Specifications and Attributes

• Quantity: 8-Piece Set (Full Engine Set).

• Grade Type: Performance.

• Color: High-Visibility Red.

• Design: Direct-fit Coil-on-Plug (COP) technology.

• Winding Material: High-grade conductivity copper for rapid energy saturation.

• Boot Material: High-temperature resistant silicone.

• Terminals: Corrosion-resistant for long-term electrical contact.

What’s in the Box

• (8) High-Performance Ignition Coils (Red)

Industry Cross-Reference Numbers

• Chrysler / Mopar: 56029129AA, 56029129AB, 68065366AA

• Standard Motor Products (SMP): UF504, UF-504

• Delphi: GN10352

• BWD: E417

• Denso: 673-6103

Installation and Technical Tips

• Misfire Diagnosis: If your truck or car is throwing codes P0300 through P0308, replacing your coils as a complete set is the best way to ensure uniform ignition timing and electrical resistance across all cylinders.

• Spark Plug Pairing: For the best results, pair these performance coils with a fresh set of Iridium or Platinum spark plugs. Ensure the spark plug gap is set to factory specifications; even with high-output coils, an incorrect gap can lead to premature wear.

• Dielectric Grease Usage: Apply a small bead of dielectric grease to the inside of the silicone boot (where it meets the spark plug). This prevents "flashover" and stops the boot from bonding to the spark plug ceramic over time.

• Torque Warning: The mounting bolts for HEMI coils thread into the valve cover. Use a hand wrench to tighten them until snug; over-torquing can easily strip the threads or crack the coil’s mounting ear.