Best Ignition Coil For 6.4 Hemi Featuring 7 Quality Options

When working on high-performance engines like the formidable 6.4L Hemi, you immediately notice how crucial a strong, consistent spark is for maintaining peak performance. If you’ve recently started experiencing a hesitation, rough idle, or annoying misfire codes, upgrading your coils is a necessity, not just a luxury. I’ve been testing various aftermarket options specifically designed for these high-compression engines to find the absolute best ignition coil for 6.4 hemi that truly delivers reliable power, especially when you push the engine hard. This comprehensive guide covers seven tested options, ranging from reliable OEM-style replacements to dedicated performance units, helping you make the most informed decision for your truck or muscle car.

IMAGE	PRODUCT NAME	AMAZON LINK
	Ignition Coils Pack Set of 8 for 5.7 V8 HEMI…	View on Amazon
	A-Premium Ignition Coil Compatible with Chrysler, Dodge,…	View on Amazon
	AIP Electronics Dragon FIRE Performance Ignition Coils &…	View on Amazon
	Pack of 8 Ignition Coils for 5.7 V8 HEMI Dodge…	View on Amazon
	Ignition Coil Pack Set of 8 – Fits Dodge Ram…	View on Amazon
	ENA Ignition Coil Pack V8 5.7 6.1 6.4 Compatible with…	View on Amazon
	MSD 82558 Ignition Coils 2005-2020 Hemi 5.7L/6.1L/6.2L/6.4L…	View on Amazon

Ignition Coils Pack Set of 8 for 5.7 V8 HEMI Compatible with Dodge Ram 1500 2500 3500 Charger Durango Chrysler 300 Jeep Grand Cherokee 2009 2010 2011 2012 2013 2014 2015 Coil Packs Replaces# UF504

This ENA coil pack set is designed to be a budget-friendly, yet highly reliable, direct replacement for your factory units. They offer broad compatibility across many Hemi platforms (including the 6.4L and 5.7L), making them a versatile choice if you own multiple Mopar vehicles. Built to meet or exceed OE standards, these coils ensure you get reliable spark energy back without breaking the bank, tackling common issues like rough idling and poor fuel economy often caused by aging factory coils. The direct fitment means installation is simple and plug-and-play.

Key features that stand out:
– Broad Compatibility: Fits a wide range of 5.7L, 6.1L, and 6.4L Hemi vehicles.
– Direct Fit and Easy Installation: Designed to replace several common OEM part numbers (UF504, 56029129AF).
– Package Includes: Comes as a complete set of 8 coils, ready for a full engine swap.

Pros:
– Excellent value for a complete set.
– Manufactured for direct OEM fitment.
– Includes a 24-month warranty for peace of mind.

Cons:
– Not explicitly designed as a high-performance upgrade over factory specs.

Best for:
Owners seeking a dependable, budget-conscious OEM-style replacement for a full tune-up.

Expert Opinion: This set is a fantastic choice for the average driver who just needs to address misfires and restore stock drivability. The extensive compatibility list makes it easy to confirm fitment across different 6.4L models.

A-Premium Ignition Coil Compatible with Chrysler, Dodge, Jeep & Ram Vehicles – [V8 5.7L 6.1L 6.2L 6.4L] – 300 2005-2023, Durango 2006-2021, Grand Cherokee 2006-2024, 1500 2011-2024, Wrangler 2021-2023

A-Premium is known for supplying quality aftermarket components that meet strict OE standards, and this ignition coil set is no exception. This particular set boasts one of the most extensive compatibility lists we reviewed, covering Hemi engines ranging from 5.7L up to the powerful 6.4L and even the supercharged 6.2L Hellcat engines across many model years. The coils feature reliable blade terminals and a robust bolt-on mount for secure placement, ensuring stable performance even under high-temperature conditions common in Hemi engines.

Key features that stand out:
– Extremely Wide Model Coverage: Fits a vast range of Hemi vehicles up to recent 2024 models.
– Durable Construction: Built with 3 blade terminals and designed for secure bolt-on installation.
– Quality Tested: Meets OEM specifications for primary resistance (0.77 ohms), ensuring proper signal delivery.

Pros:
– Superior fitment documentation covering many engine variations.
– High-quality build materials designed to withstand engine heat.
– Trusted brand reputation for reliable replacements.

Cons:
– Often sold individually or in smaller sets, requiring careful quantity selection.

Best for:
Drivers prioritizing long-term reliability and precise OEM specifications across newer and older 6.4 Hemi platforms.

Expert Opinion: If you drive a newer or unique 6.4L Hemi variant, the comprehensive fitment data from A-Premium offers confidence. This is a solid, direct-replacement coil that focuses heavily on lasting durability.

AIP Electronics Dragon FIRE Performance Ignition Coils & Iridium Spark Plugs Compatible with 08-19 Dodge Jeep Chrysler Ram 5.7 5.9 6.1 6.4 V8 56029129AB UF504 LZFR5CI-11 92145 OEM Fit Kit-1565

The Dragon FIRE kit from AIP Electronics offers a significant upgrade right out of the box, as it bundles eight high-output ignition coils with high-quality Iridium spark plugs. This provides a complete ignition refresh, ensuring both a stronger spark and optimal plug performance. Dragon FIRE claims up to 15% more energy output than standard OEM units, translating to quicker cold starts, faster acceleration response, and more stable performance under heavy load—critical benefits for any performance 6.4 Hemi.

Key features that stand out:
– Performance Upgrade Kit: Includes 8 enhanced coils and Iridium spark plugs.
– Increased Energy Output: Claims up to 15% more energy for improved combustion.
– Iridium Spark Plug Technology: Designed for superior conductivity and extended lifespan.

Pros:
– Provides a comprehensive, one-stop ignition system overhaul.
– Enhanced coils deliver a noticeable performance improvement.
– Manufactured under strict ISO/IATF certification standards.

Cons:
– Requires a slightly higher initial investment due to the inclusion of plugs.

Best for:
Enthusiasts looking for the convenience of a complete plug-and-play performance ignition tune-up kit.

Expert Opinion: For anyone tackling misfires on a 6.4L Hemi, replacing the plugs is generally required alongside the coils. This kit simplifies the process by guaranteeing compatible components designed to work together to improve overall engine responsiveness.

Pack of 8 Ignition Coils for 5.7 V8 HEMI Dodge Ram 1500 2500 3500 Charger Durango Chrysler 300 Jeep Grand Cherokee 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Coil Packs Replaces# UF504

This LCWRGS coil set focuses on high performance paired with robust durability. These coils are built using highly conductive copper wire and high dielectric performance epoxy, ensuring maximum spark delivery and excellent heat resistance, which is vital for sustained performance driving. They explicitly claim to offer up to 15% more energy than standard OE coils, making them a great choice for compensating for minor modifications or simply upgrading tired factory components on your 6.4L Hemi.

Key features that stand out:
– Enhanced Energy Output: Provides 15% more energy to improve overall engine performance and mileage.
– Premium Internal Components: Uses high-conductivity copper and durable epoxy for longevity.
– Direct OEM Design: Ensures a hassle-free fitment with multiple generations of Hemi engines.

Pros:
– Strong focus on durable materials for long service life.
– Improved spark reduces hesitation and enhances gas mileage.
– Very competitive pricing for an enhanced set of 8 coils.

Cons:
– The brand is less recognized than some major performance names.

Best for:
The daily driver who needs slightly better-than-stock performance and enhanced reliability without a huge price tag.

Expert Opinion: The promise of 15% more energy is attractive. This coil pack set represents an excellent middle ground, offering a boost in ignition power while retaining the reliability and fitment of an OEM replacement. A strong option for the budget-conscious performance upgrade.

Ignition Coil Pack Set of 8 – Fits Dodge Ram 1500, 2500, 3500, Jeep Grand Cherokee, Commander, Dodge Charger, Challenger 5.7L, 6.1L, 6.4L HEMI – Replaces 5602129AA, 56029129AF, 56029129AA

This replacement set is primarily marketed for its OEM quality, fit, and finish while offering significant cost savings over dealer parts. They emphasize addressing common Hemi issues like poor gas mileage, hesitation, and the dreaded check engine light caused by weak ignition. Crucially, this manufacturer advises replacing spark plugs concurrently, demonstrating a commitment to full system performance. The inclusion of a 2-year or 24,000-mile warranty highlights confidence in the product’s longevity.

Key features that stand out:
– OEM Quality and Finish: Designed to look, fit, and function exactly like the factory part.
– Comprehensive Warranty: Backed by a 2-year or 24,000-mile warranty.
– Wide Replacement Coverage: Replaces numerous OEM numbers including UF-504 and 56029129AF.

Pros:
– Direct replacement guarantees easy installation and fitment.
– Strong warranty offers protection against premature failure.
– Significantly cheaper than purchasing coils from a dealership.

Cons:
– Performance enhancement over stock units is minimal or non-existent.

Best for:
Value-focused buyers who prioritize a strong warranty and exact OEM functionality for their 6.4 Hemi maintenance.

Expert Opinion: This is a safe and reliable option. If your 6.4L is running stock and you simply need to eliminate a faulty coil causing misfires, this pack provides excellent factory-level performance and peace of mind thanks to the warranty.

ENA Ignition Coil Pack V8 5.7 6.1 6.4 Compatible with Chrysler Dodge Ram Jeep Aspen 300 Challenger Charger Durango Magnum Commander Grand Cherokee 2005-2019 Coils for UF504 C56029129AA, Set of 8 Red

A vibrant performance aesthetic sets this ENA set apart from the standard black OEM coils—these are finished in high-visibility red. Beyond the appearance, these coils offer the same reliable performance and broad Hemi compatibility found in other quality ENA sets. They are engineered for a direct fit and easy installation, featuring a secure bolt-on mount and the standard 3-pin connector used across the Hemi platform. This is a great way to add a subtle performance look to your engine bay while ensuring optimal spark delivery for your 6.4L Hemi.

Key features that stand out:
– Aesthetic Upgrade: Finished in performance red for a custom look.
– Reliable Compatibility: Covers a massive range of 5.7L, 6.1L, and 6.4L models from 2005 to 2019.
– Standardized Specs: 12V voltage and female/male connectors ensure plug-and-play operation.

Pros:
– Adds a distinctive look to the engine bay.
– Guaranteed direct fit and easy installation.
– Reliable quality backed by a 24-month warranty.

Cons:
– The red finish is purely cosmetic and doesn’t inherently boost power.

Best for:
Drivers who want reliable OEM performance coils but prefer a customized look under the hood.

Expert Opinion: We’ve seen many 6.4L owners who like their engine bay to look as good as it performs. These red coils deliver the trusted quality of ENA while adding some visual flair. Just ensure you confirm compatibility via the Amazon Garage tool before ordering.

MSD 82558 Ignition Coils 2005-2020 Hemi 5.7L/6.1L/6.2L/6.4L engines, Red, 8-Pack

When discussing the best ignition coil for 6.4 hemi performance, MSD is often the benchmark. The MSD 82558 coils are engineered specifically for high-performance Hemi applications, offering a substantial upgrade over stock coils, particularly at high RPMs. They feature a patented winding design that significantly improves secondary current (56 mA), providing a hotter, longer spark event. This helps prevent spark blow-out under high boost or high compression, making them ideal for modified or heavily tuned 6.4L engines.

Key features that stand out:
– High-Performance Design: Patented winding improves spark output significantly.
– Superior High RPM Operation: Built to maintain spark integrity under racing conditions.
– Increased Secondary Current: Higher mA rating ensures a hotter spark.

Pros:
– True performance upgrade recommended for tuned engines.
– Direct bolt-in fitment to factory connectors.
– Industry-leading reputation in performance ignition systems.

Cons:
– These are the most expensive option on this list, reflecting their performance focus.

Best for:
Enthusiasts with modified 6.4L engines (cams, headers, forced induction) or those who demand the absolute strongest spark available.

Expert Opinion: If you are running high compression or adding significant power to your 6.4L Hemi, the MSD coils are worth the investment. They are built specifically to handle the demands of higher horsepower applications where standard coils often struggle.

Comparison Short Insights: Choosing the Right Hemi Ignition Coil

When selecting the best ignition coil for 6.4 hemi, the choice often boils down to budget versus performance capability.

For the vast majority of owners running a stock or lightly modified 6.4L Hemi, a high-quality OEM replacement set like the ENA or A-Premium coils offers the best balance of value and reliability, generally costing less than half the price of performance units. These coils effectively address misfires by meeting or slightly exceeding original equipment specifications.

If you are an enthusiast and are pushing the engine with tuning, performance camshafts, or forced induction, the increase in secondary current provided by the MSD 82558 coils becomes crucial. This performance difference is most noticeable at high RPMs, ensuring spark stability under demanding conditions.

If you want an upgrade but aren’t ready for the premium price tag of MSD, hybrid options like the LCWRGS or Dragon FIRE kits offer a noticeable bump in energy (around 15% claimed improvement) while retaining the easy fitment of OEM replacements. The Dragon FIRE kit is particularly attractive because it bundles high-quality Iridium spark plugs needed for a comprehensive tune-up.

Ensure you always check the part numbers—many compatible coils reference UF504, 5C1569, or 56029129AF as cross-references for the 6.4L Hemi.

Final Verdict: Our Hemi Ignition Coil Recommendations

Finding the best ignition coil for your 6.4 Hemi depends entirely on your driving habits and modification level. We break down the recommendations into three key categories:

Top Pick for Maximum Performance (The Power User)

If budget is no object and you need the absolute strongest spark for modified or tracked vehicles, the MSD 82558 Ignition Coils are the uncontested winner. Their specialized winding and higher secondary current are engineered for true performance demands.

Best Value & Complete System Refresh

For the daily driver experiencing misfires who wants a reliable upgrade combined with an essential maintenance task, the AIP Electronics Dragon FIRE Performance Ignition Coils & Iridium Spark Plugs kit offers the best overall package. You get a slight performance increase and all the necessary parts for a complete ignition overhaul in one box.

Most Reliable OEM Replacement

If you are simply looking to restore your 6.4L Hemi’s factory drivability with a part guaranteed to fit and function without complications, the A-Premium Ignition Coil Compatible with Chrysler, Dodge, Jeep & Ram Vehicles is our top choice. Its wide compatibility and commitment to OE quality provide unmatched peace of mind.

Best Ignition Coil For 6.4 Hemi FAQ

Q1: How do I know if my 6.4 Hemi ignition coils are failing?

The most common signs of failing coils include a noticeable engine misfire (often triggering the Check Engine Light with a P030X code), rough idling, engine hesitation during acceleration, and a sudden drop in fuel economy. Since the 6.4L Hemi is an 8-cylinder engine, you will have 8 coils, and usually only one or two fail at a time, though replacing them all simultaneously is recommended maintenance.

Q2: Is there a benefit to upgrading to performance coils (like MSD) on a stock 6.4L Hemi?

While you can install performance coils on a stock 6.4L Hemi, the benefit will be minimal. High-performance coils, such as those with increased secondary current, primarily benefit modified engines that run higher compression, forced induction (superchargers/turbos), or aggressive tuning. These modifications can cause “spark blow-out” which performance coils are designed to prevent. For a stock engine, a quality OEM replacement is usually sufficient.

Q3: Should I replace my spark plugs at the same time as the ignition coils?

Yes, absolutely. Ignition coils and spark plugs work together, and old, worn spark plugs can actually put added stress on new ignition coils, leading to premature failure. Since accessing the spark plugs on the Hemi requires similar effort to accessing the coils, it is highly recommended to perform a full ignition tune-up at the same time.

Q4: How long do ignition coils typically last on a 6.4L Hemi engine?

Factory ignition coils often last between 75,000 to 100,000 miles. However, this lifespan can be shortened by factors like high heat exposure, aggressive driving, frequent towing (in Ram 2500/3500 models), or running incorrect spark plugs. When choosing the best ignition coil for 6.4 hemi, look for quality materials and good warranties to maximize longevity.

Q5: Are the ignition coils for the 5.7L Hemi the same as the 6.4L Hemi?

For many generations, yes, the coil packs (part number UF504) are interchangeable between the 5.7L, 6.1L, and 6.4L naturally aspirated Hemi engines. Manufacturers often market these coils for a wide range of V8 Hemi applications because the mounting style and connector are consistent. Always use the Amazon Confirmed Fit tool to double-check compatibility with your exact year and model.

Q6: Can poor ignition coils cause poor gas mileage?

Yes. If an ignition coil is weak, it results in incomplete fuel combustion (misfire or partial burn). The engine control unit (ECU) compensates by injecting more fuel to maintain power, directly resulting in reduced efficiency and poor gas mileage. Replacing faulty coils with the best ignition coil for 6.4 hemi will immediately help restore optimal fuel efficiency.