Performance Ignition Coils for Dodge Ram (2012-2020) 5.7L 6.4L V8

High-Output Performance Ignition Coils for 2012-2020 Dodge Ram 1500 & 2500 (5.7L & 6.4L HEMI V8 / DS, DT, DJ)

Replaces degrading factory ignition coils to deliver a stronger, more consistent spark for improved combustion, idle stability, and throttle response under heavy engine loads.

The Stock Ram 1500 & 2500 Ignition Shortcomings

OEM ignition coils on high-mileage 5.7L and 6.4L HEMI engines are notorious for thermal degradation and voltage leaks. Mounted directly to the valve covers, these factory coils are subjected to extreme under-hood temperatures and continuous thermal cycling. Over time, the standard epoxy resins break down, leading to micro-cracks in the plastic coil housing. This inevitably causes internal arcing, spark blowout under heavy load, and misfires that trigger a check engine light (CEL).

Furthermore, the factory primary and secondary winding ratios struggle to maintain consistent high-voltage output during the sustained engine loads required for towing, resulting in a sluggish throttle pedal and decreased fuel efficiency.

The Engineering Solution

These performance ignition coils are engineered specifically to eliminate spark blowout and resist the high-heat environment of the HEMI cylinder heads. Upgraded with a high-temperature epoxy compound, thermal-resistant polymer housings, and reinforced copper windings, they ensure maximum voltage transfer directly to the spark plugs without risk of internal grounding. The optimized winding configuration yields a substantially higher energy output compared to standard OEM units, promoting a faster, more complete fuel burn in the combustion chamber.

This translates to smoother idling, crisper throttle response, and reliable spark delivery during high-rpm pulls or heavy-towing scenarios. Featuring a direct plug-and-play design, these units lock securely onto the factory harness without splicing.

Technical Specifications

Compatibility

• 2012-2020 Ram 1500 5.7L V8
• 2019-2020 Ram 1500 Classic 5.7L V8
• 2012-2018 Ram 2500 5.7L V8
• 2014-2020 Ram 2500 6.4L V8
• 2012-2018 Ram 3500 5.7L V8
• 2014-2020 Ram 3500 6.4L V8
• 2014-2020 Ram 4500 6.4L V8
• 2014-2020 Ram 5500 6.4L V8

Built for Heavy-Duty Ram Towing Demands

Whether you are hauling heavy payloads to the job site or pushing the limits of your HEMI V8 on the highway, consistent ignition performance is non-negotiable. These coils deliver the durability and robust power transfer required to keep your Ram truck operating at peak performance without skipping a beat.

Common Questions

Will these fit my 2016 Ram 1500 5.7L HEMI?
Yes. They fit 2012-2020 Ram 1500 with the 5.7L HEMI V8, plus the 2019-2020 Ram 1500 Classic.

Do they fit the 6.4L HEMI in my Ram 2500?
Yes. They fit 2014-2020 Ram 2500 and 3500 trucks with the 6.4L HEMI V8.

Will they help when towing?
Yes. They deliver reliable spark under the sustained engine loads of heavy towing.

Do I need to splice any wiring?
No. They are plug-and-play and lock onto the factory harness.

What will I notice after installing them?
Smoother idling and crisper throttle response.