5.7 Hemi Coil Pack Upgrade (Enhance Performance and Efficiency)

Upgrading the coil pack in a 5.7 Hemi engine can deliver significant performance gains for automotive enthusiasts.

The ignition coil pack is an essential element of the engine’s ignition system, converting low-voltage energy from the battery into high-voltage energy necessary to create a spark for combustion.

An aftermarket high-performance coil pack can enhance power output, improve throttle response, and increase overall engine efficiency.

There are several options available for those looking to upgrade their 5.7 Hemi coil pack.

RIPP High Performance Coil Pack and ENA UF504 Direct Ignition Coil are the best 5.7 hemi coil pack upgrade options which offers notable performance improvements, easy installation, and superior reliability.

When considering a 5.7 Hemi coil pack upgrade, it’s crucial to research products and weigh the benefits against your vehicle’s specific needs and performance goals.

It’s a worthwhile investment for individuals seeking to boost their engine’s performance and driving experience.

5.7 Hemi Coil Pack Upgrade (Hemi Coil Pack Basics)

The 5.7 Hemi engine is a powerful and popular choice for many enthusiasts looking to upgrade their vehicle’s performance.

One key component to enhancing that performance is the ignition coil pack. In this section, we will discuss the basics of 5.7 Hemi coil packs and how they contribute to the overall performance of the engine.

Ignition coil packs are essential for the proper functioning of the engine, as they are responsible for converting low-voltage battery power into high-voltage energy that’s capable of igniting the air-fuel mixture in the combustion chambers.

The 5.7 Hemi coil packs are designed specifically to meet the needs of this high-performance engine.

There are several benefits to upgrading the coil packs in your 5.7 Hemi engine.

First and foremost, a high-quality coil pack can provide improved engine performance by producing a stronger spark, leading to better combustion and increased horsepower.

Additionally, upgraded coil packs can help with fuel economy and contribute to a smoother driving experience.

When choosing a coil pack upgrade for your 5.7 Hemi engine, it is essential to select one that is compatible with your vehicle and built to handle the power demands of the engine.

Some of the best ignition coil packs available for the 5.7 Hemi include the ENA Direct Ignition Coil and RIPP High Performance Coil Packs.

Both options have been tested and proven to deliver superior performance and reliability.

In summary, upgrading the coil packs in your 5.7 Hemi engine can lead to noticeable improvements in performance, fuel economy, and overall driving experience.

It is critical, however, to choose a compatible and high-quality product that can effectively handle the demands of this powerful and robust engine.

What Are The Reasons for 5.7 Hemi Coil Pack Upgrade?

Performance Gains

Upgrading the 5.7 Hemi coil pack can significantly improve the vehicle’s performance.

One of the main benefits is the potential increase in horsepower and torque, which can ultimately enhance the overall driving experience.

For example, according to a MotorTrend dyno test, upgrading the coil pack in a 5.7 Hemi engine resulted in an 11 horsepower increase.

This gain is not only notable, but it can also contribute to more responsive acceleration and greater power at higher RPMs.

In addition to horsepower gains, upgrading the coil pack may also improve torque throughout the powerband.

Higher torque can lead to improved acceleration, making it easier for the driver to overtake other vehicles on the road or to tow heavy loads with ease.

Another reason to upgrade the 5.7 Hemi coil pack is to get the most out of other performance modifications you may have already implemented or are considering, such as upgrading to a 6.1 Hemi intake manifold.

By optimizing the ignition system with an upgraded coil pack, drivers can further enhance the benefits from other performance components.

In some cases, the coil pack upgrade can provide a more stable and consistent power delivery.

By ensuring a more reliable ignition, the 5.7 Hemi engine can perform at its best under various driving conditions.

Overall, upgrading the coil pack in a 5.7 Hemi can provide noticeable performance gains in terms of horsepower, torque, and driving experience.

As such, it is a worthwhile consideration for those looking to enhance the capabilities of their vehicle.

When it comes to upgrading the coil pack for your 5.7 HEMI engine, there are several brands that stand out in terms of quality, performance, and customer satisfaction.

These popular choices include ENA, MotorTrend, and RIPP Mods.

ENA UF504 Direct Ignition Coil

ENA ignition coil is a well-regarded option for 5.7L Dodge, RAM, Jeep, Challenger, and Charger vehicles.

This coil pack is known for its fast and easy installation process and compatibility with a wide range of models, such as Ram 1500, 2500, 3500, Challenger, Charger, and Jeep Grand Cherokee 5.7L HEMI engines.

Customer reviews often highlight its durability and improved performance compared to stock coils.

MotorTrend  Coils

MotorTrend conducted a 5.7 HEMI coil pack dyno test, showing the potential for increased power with a bigger, beefier 5.7 HEMI coil pack.

This upgrade not only resulted in a wider, hotter spark but also showcased the potential for noticeable performance improvements.

While specific brands were not mentioned, the test results indicated that upgrading the coil pack is a viable option for those seeking more power from their 5.7 HEMI engines.

RIP Mods

RIPP Mods offers its High Performance Coil Packs designed for 2005-2023 HEMI 5.7L, 6.1L, 6.2L, and 6.4L engines.

These coil packs feature higher quality materials, an increased amount of windings, and a boost in millijoule power output that adds up to an additional 20whp on the 5.7L and 30whp on the 6.4L engines.

Reviews often focus on the noticeable improvements in throttle response and smoother engine operation.

In summary, upgrading the coil pack for your 5.7 HEMI engine can result in improved performance and reliability.

The ENA UF504, MotorTrend-tested coil packs, and RIPP Mods High Performance Coil Packs are among the popular choices that can deliver satisfactory outcomes.

It is essential to carefully consider the compatibility, installation process, and customer reviews before making a final decision.

Vehicle Compatibility of 5.7 Hemi Coil Pack Upgrade

This section will cover the compatibility of 5.7 Hemi coil pack upgrades for different vehicles, focusing on Ram Trucks, Chrysler LX Platform, Dodge Cars, and Jeep Grand Cherokee.

Ram Trucks

5.7 Hemi coil pack upgrades are available for various Ram truck models, including the Ram 1500, 2500, and 3500.

These upgrades offer improved performance and reliability, along with ease of installation.

For example, the ENA UF504 Direct Ignition Coil is compatible with these truck models and provides stable ignition and improved fuel economy.

Chrysler LX Platform

The Chrysler LX Platform consists of several models, including the Chrysler 300, which shares components with other LX Platform vehicles.

Upgrading the coil packs on these vehicles is a viable option for enhancing performance.

Some high-performance coil packs available for the Hemi 5.7L engine in the Chrysler 300 can offer benefits such as improved throttle response and better MPG without the need for additional tuning.

Dodge Cars

Dodge cars, such as the Charger and Challenger, also utilize the 5.7 Hemi engine.

Upgrading the coil packs on these vehicles can lead to increased throttle response, improved ignition, and in some cases, better fuel economy.

Both the Charger and Challenger can benefit from the ENA UF504 Direct Ignition Coil as it fits these models and offers superior performance compared to stock coil packs.

Jeep Grand Cherokee

The Jeep Grand Cherokee is another vehicle that often comes equipped with a 5.7 Hemi engine. Coil pack upgrades can also be beneficial for this vehicle, enhancing ignition stability and fuel efficiency.

The ENA UF504 Direct Ignition Coil is compatible with the Jeep Grand Cherokee and offers improved driving experience, making it a popular choice for those seeking better performance from their vehicle.

Aftermarket vs Stock Coil Packs

When considering an upgrade for the 5.7 Hemi engine, one crucial component to examine is the ignition coil packs.

There are two main options available: stick with the original equipment manufacturer (OEM) coil packs or opt for aftermarket alternatives.

Stock coil packs are designed to deliver sufficient energy to ignite the air-fuel mixture in the engine.

They are manufactured to specific requirements, ensuring compatibility, durability, and optimal performance in a 5.7L Hemi engine.

OEM coils are reliable and have a proven track record of efficiently meeting the needs of a stock 5.7 Hemi engine.

On the other hand, aftermarket coil packs are built to provide increased performance compared to stock coils.

They often feature a stronger spark, allowing for better combustion and potentially leading to improvements in horsepower and torque.

However, it’s essential to note that more voltage does not always equate to better performance. The key is to maintain coil voltage under load or during acceleration phases.

Aftermarket coil packs can be an excellent choice for those looking to extract more power from their Hemi engine, especially when coupled with other performance-enhancing modifications.

For example, using an aftermarket coil pack on a 5.7 Hemi can potentially provide an additional 11 horsepower.

While both stock and aftermarket options have their advantages, it’s crucial to weigh the benefits and drawbacks before making a decision.

Stock coil packs offer reliability and a proven performance level, whereas aftermarket alternatives can potentially deliver increased power and improved combustion efficiency.

In summary, the choice between stock and aftermarket coil packs ultimately depends on the specific needs and goals of the vehicle owner.

It’s essential to ensure that any chosen upgrades align with the intended use of the vehicle and complement any other performance-enhancing modifications made to the engine.

Fitment and Installation of 5.7 Hemi Coil Pack

Upgrading the 5.7 Hemi coil pack can improve your vehicle’s performance and efficiency. Before making the switch, it’s essential to consider the cost, fitment, and installation process.

The average cost for upgrading to high-performance coil packs is around $489.46. This price may vary depending on the brand and source.

It is important to invest in quality coil packs for optimal performance gains and durability. Keep in mind that any additional labor fees or tools may impact the overall expenditure.

Regarding fitment, there are different coil packs available for the 5.7 Hemi, depending on the vehicle model.

Make sure that the coil pack you purchase is compatible with your specific vehicle to avoid any installation issues.

Some coil packs look identical to the stock units but provide more power, such as the Performance Distributors’ SOS coils for the 5.7 Hemi Engine.

Installation of the new coil packs requires the removal of the old coils and the correct placement of the new coils. In many cases, this process can be done at home with the proper tools and guidance.

Before starting, make sure to have all necessary tools and a clear workspace.

Following step-by-step instructions or tutorial videos, like the MSD Blaster Coil Packs installation guide, will help ensure a straightforward experience.

If you are not comfortable with the installation process, reaching out to a professional mechanic for assistance is recommended.

In summary, upgrading the 5.7 Hemi coil pack allows for better performance, but consider the cost, fitment, and installation to make an informed decision.

When selecting a coil pack, prioritize compatibility with your vehicle and search for options that offer improved power output to reap the benefits of the upgrade.

How Does Ignition Coil Improve System Function?

Wider Spark Plug Gap

Upgrading the ignition system of a 5.7 Hemi with high-performance coil packs, such as the Sultans of Spark (SOS) or RIPP High Performance Coil Packs, enhances engine performance and reliability.

One significant benefit of using upgraded coil packs is the ability to utilize a wider spark plug gap.

This increased gap ensures a stronger and more efficient spark, resulting in improved combustion and overall engine performance.


By upgrading the 5.7 Hemi’s ignition system with high-performance coil packs, one can expect enhanced durability and reduced maintenance.

These coil packs often provide more reliable spark delivery, ensuring consistency in the engine’s ignition process.

Furthermore, the use of high-quality materials and advanced design features contributes to long-lasting coil packs’ lifespan, reducing the likelihood of ignition-related issues.

Fuel Efficiency

Improved fuel efficiency is another notable advantage of upgrading the 5.7 Hemi’s ignition system.

An efficient spark plug and ignition system promote complete fuel combustion, which translates into smoother engine operation and improved fuel economy.

Additionally, the dual plugs of the 5.7L Hemi contribute significantly to fuel economy by ensuring more complete fuel burn in the combustion chamber.

By upgrading to high-performance coil packs, owners can expect to see a boost in their vehicle’s fuel efficiency, leading to potential cost savings in the long run.

Beyond Coil Pack Upgrades for 5.7 Hemi

Forced Induction

Forced induction is an effective way to increase the performance of a 5.7 Hemi engine.

By adding a supercharger or turbocharger, the engine can produce more power and torque due to the increased amount of air being forced into the combustion chamber.

This increased air volume results in a more powerful combustion process, leading to an overall improvement in performance.

There are multiple options available for forced induction, such as centrifugal and twin-screw superchargers or single and twin-turbo systems.

Each forced induction setup has its own advantages and drawbacks, so it is important to research and choose the best option for your specific needs.


An engine tune is another way to improve the performance of a 5.7 Hemi.

A custom tune can optimize various engine parameters, such as ignition timing, air-fuel mixture, and throttle response, allowing for more efficient power delivery throughout the rev range.

Engine tuners use specialized computer software to adjust these parameters, creating custom maps that achieve desired performance gains.

When considering an engine tune, it is important to work with an experienced tuner and specify your goals and expectations.

This may include seeking to improve fuel economy, responsiveness, or overall power output.


An upgraded intake system can help improve the flow of air into the engine, resulting in better combustion efficiency and power gains.

Cold air intakes and aftermarket air filters are popular upgrades for the 5.7 Hemi, as they reduce air temperature and air restriction, respectively.

A cold air intake is designed to bring cooler, denser air into the engine by positioning the air filter away from the heat source within the engine bay.

This cooler air can result in more efficient combustion and higher power output.

Aftermarket air filters, on the other hand, decrease air restriction and improve air filtration, contributing to overall engine performance and longevity.


What are the benefits of upgrading my 5.7 Hemi coil packs?

Upgrading the coil packs of your 5.7 Hemi engine can provide improved performance, increased fuel efficiency, and more complete fuel burn.

This is because upgraded coil packs generate significantly more spark energy for each individual spark plug, resulting in a more efficient combustion process.

How do I test my 5.7 Hemi coil pack?

Testing your 5.7 Hemi coil pack requires a multimeter to measure the resistance of the coil pack.

Disconnect the coil pack from the vehicle, set the multimeter to the 20,000 Ohms range, and measure the resistance between the coil’s primary and secondary terminals.

The readings should match the specifications outlined in your vehicle’s service manual. If the readings are out of the specified range, it could indicate a faultycoil pack.

Do upgraded coil packs improve performance?

Yes, upgraded coil packs can improve the performance of your 5.7 Hemi engine.

This is due to the increased spark energy produced by the coil packs, resulting in a more efficient combustion process, a more complete fuel burn, and potentially more horsepower.

Some popular coil pack brands for a 5.7 Hemi include ENA and RIPP High Performance Coil Packs.

It is essential to choose a brand that is reputable and has received positive reviews from users.

How many coil packs are in a 5.7 Hemi engine?

A 5.7 Hemi engine has a total of 16 coil packs, with two spark plugs per cylinder and a coil pack for each spark plug.

This dual-plug setup contributes to the engine’s efficiency and reduced emissions.

How do I know if my 5.7 Hemi coil pack needs replacement?

Signs that your 5.7 Hemi coil pack may need replacement include poor engine performance, unusual engine noises, poor fuel economy, and a check engine light that may illuminate on your dashboard.

It is essential to have your vehicle inspected by a professional mechanic if you suspect that your Hemi coil pack may need replacement.