Best Spark Plugs for 5.7 Hemi

There are several things to consider when choosing a spark plug as we will address it here. This is because they are made for different purposes and vehicles. The first thing that you would check is compatibility. With your Vehicle Identification Number (VIN), you will find different recommendable plugs to suit your case. In this review, we are looking at the best spark plugs for 5.7 Hemi, and by the end of it, you will have a choice to make. 

Best Spark Plugs for 5.7 Hemi

What Are the Factors to Consider Before Buying the Best Spark Plugs for 5.7 Hemi?

As we noted in the intro part of this article, indeed, there are several things that you must check before you make your purchase. That is to do with compatibility with your car or vehicle, ignition and performance, durability, and other important factors. 

Core and outer materials

The core and outer materials are the determinants of a good spark plug. The core always comes with different materials. Some of the core material types include Iridium, copper, nickel, and platinum among others. The outer material is also made from different materials. It is, therefore, of great importance to check the material that you are going for, and to understand their advantages. 

Fit type or compatibility    

Fit type is just compatibility. When or before buying, you need to check your Vehicle Identification Number, and compare with the spark plugs suitable. Some of the plugs are made for specific vehicles. Therefore, it is important to check. The other thing when it comes to compatibility is the gapping and whether it is preset, or allows adjustment or not. 

Number of pieces 

There are different packages. Each comes with its own packaging and number of pieces. Therefore, when it comes to choosing the best, whether 2005 Dodge ram 1500 spark plugs or any other, you need to check the number of pieces in that package. 

Ignition and performance 

You would want to have a spark plug that will ignite faster and with faster propagation of flames. It is important to check the ignition power before making a purchase. With ignition, it should also ignite smoothly and lie idle smoothly as well. 

Fuel economy 

Some of the spark plugs are engineered to enhance performance and at the same time save on fuel. They are made to be efficient and to propagate flames faster hence there is little wastage on fuel. Therefore, if you are looking for plugs that save on fuel, you will find them on this review as well. 

In this guide, you have a variety of Hemi engine spark plugs. It is meant to help you choose a suitable one for your vehicle. They come in different material designs and work perfectly for different vehicles. Therefore, you need to identify with one that is affordable, and can serve your vehicle needs. You just need to check compatibility, performance, and other features and specs that would matter to your case. 

What Are the Best Spark Plugs for 5.7 Hemi?

Product Name
NGK 5464 BKR5EIX-11 Iridium IX Spark Plug, Pack of 4
BOSCH 8162 OE Fine Wire Double Platinum Spark Plug - Single
ACDelco GM Original Equipment 41-993 Iridium Spark Plug
E3 Spark Plug E3.48 Automotive Spark Plug
Set of 16 Chrysler Jeep Dodge Ram 5.7 Liter HEMI NKG Spark...
Autolite Platinum AP5263 Automotive Replacement Spark Plugs...
Preview
NGK 5464 BKR5EIX-11 Iridium IX Spark Plug, Pack of 4
BOSCH 8162 OE Fine Wire Double Platinum Spark Plug - Single
ACDelco GM Original Equipment 41-993 Iridium Spark Plug
E3 Spark Plug E3.48 Automotive Spark Plug
Set of 16 Chrysler Jeep Dodge Ram 5.7 Liter HEMI NKG Spark...
Autolite Platinum AP5263 Automotive Replacement Spark Plugs...
Number of pieces
4
4
4
1
16
4
Core material
Iridium
Platinum
Iridium
Diamond
Nickel
Platinum
Outer material
Metal
Machined
Machined
Alloy steel
Nickel
Nickel
Fit type
Car
Vehicle specific
Vehicle specific
Motorcycle
Vehicle specific
For vehicle specific
Country of origin
Japan
China
USA
China
USA
Mexico
Product Name
NGK 5464 BKR5EIX-11 Iridium IX Spark Plug, Pack of 4
Preview
NGK 5464 BKR5EIX-11 Iridium IX Spark Plug, Pack of 4
Number of pieces
4
Core material
Iridium
Outer material
Metal
Fit type
Car
Country of origin
Japan
Product Name
BOSCH 8162 OE Fine Wire Double Platinum Spark Plug - Single
Preview
BOSCH 8162 OE Fine Wire Double Platinum Spark Plug - Single
Number of pieces
4
Core material
Platinum
Outer material
Machined
Fit type
Vehicle specific
Country of origin
China
Product Name
ACDelco GM Original Equipment 41-993 Iridium Spark Plug
Preview
ACDelco GM Original Equipment 41-993 Iridium Spark Plug
Number of pieces
4
Core material
Iridium
Outer material
Machined
Fit type
Vehicle specific
Country of origin
USA
Product Name
E3 Spark Plug E3.48 Automotive Spark Plug
Preview
E3 Spark Plug E3.48 Automotive Spark Plug
Number of pieces
1
Core material
Diamond
Outer material
Alloy steel
Fit type
Motorcycle
Country of origin
China
Product Name
Set of 16 Chrysler Jeep Dodge Ram 5.7 Liter HEMI NKG Spark...
Preview
Set of 16 Chrysler Jeep Dodge Ram 5.7 Liter HEMI NKG Spark...
Number of pieces
16
Core material
Nickel
Outer material
Nickel
Fit type
Vehicle specific
Country of origin
USA
Product Name
Autolite Platinum AP5263 Automotive Replacement Spark Plugs...
Preview
Autolite Platinum AP5263 Automotive Replacement Spark Plugs...
Number of pieces
4
Core material
Platinum
Outer material
Nickel
Fit type
For vehicle specific
Country of origin
Mexico

We considered performance and efficiency to come up with our list of the best plugs. Among the things we considered is the reviews from the users. As per our opinion, NGK 5464-4PK IX Spark Plug is the best overall product that came top based on all the considerations. 

Top 10 Best Spark Plugs for 5.7 Hemi

Here comes the list with all the best spark plugs that you will need for your vehicle. It is a result of research and thorough analysis and comparison. We hope that it would be a reliable guide to help you choose the right spark plug for your vehicle.

 NGK 5464-4PK IX Spark Plug

NGK 5464 BKR5EIX-11 Iridium IX Spark Plug, Pack of 4

This is a great spark plug for high-performance engines. It is suitable for 5.7 Hemi and works perfectly with ultimate ignitability. If you want a spark plug that ignites fast, then you may want to check on this awesome brand. The top material is metallic and with iridium core material. 

Performance and Durability 

The advantage of the NGK 5464-4PK IX Spark Plug is that it comes with a high melting point. That is important when it comes to resisting wear due to heat and electrical damage. It is also made to offer the best ignition performance for different car engines. 

Compatible with Most Cars 

One of the other benefits of getting NGK 5464-4PK IX Spark Plug is that it works for most cars. Apart from 5.7 Hemi, it also works for other cars such as the 2006 Subaru Legacy. In addition to that, it comes in a pack of 4 and at affordable pricing. 

Pros
  • Compatible with most cars.
  • Enhanced ignition performance.
  • High-melting points hence can last long.
  • Enhanced throttle response to prevent fouling.
  • Stable and consistent in performance.
  • Comes in a pack of 4 with affordable pricing.
Cons
  • They are not well pre-gapped and a bit hard to pre-gap.

Expert opinion: If you want to buy durable plugs, then you will need NGK 5464-4PK IX Spark Plug. It is made of iridium core material and that offers excellent durability and performance. It fits with most car types as well.

Bosch Automotive 8162 Spark Plug

BOSCH 8162 OE Fine Wire Double Platinum Spark Plug - Single

This spark plug comes with an 8162-4PK size and with a great design that makes it useful and efficient. When it comes to ignition, it is everything you need for your car. Bosch Automotive 8162 Spark Plug is good for a wide variety of vehicles that we shall highlight. However, we may not exhaust mentioning all the compatible vehicles but you can always confirm before making your purchase. 

Durability and Performance

This spark plug features a double-platinum firing pin as indicated, and would surely come to last. This feature enhances durability as well as performance. Compared to the standard copper plugs, Bosch Automotive 8162 Spark Plug would deliver 3x much better in terms of durability. 

Compatibility With Vehicles 

Bosch Automotive 8162 Spark Plug is a great choice for most vehicles. It is compatible with most vehicles. That includes Chrysler Aspen 300, Jeep Grand Cherokee, Dodge, and Ram 2500 among other varieties. You will need to input your car details on Amazon to check compatibility before purchase. These are also recommended spark plugs for dodge ram 1500 5.7 Hemi.

Pros
  • Compatible with a wide variety of specific vehicles.
  • More durable than standard copper plugs.
  • Excellent and faster ignition.
  • Comes as a pack of 4 and at an affordable price.
  • Works perfectly and ignites without lag or delay.
Cons
  • Made for specific vehicles only.

Expert opinion: Bosch Automotive 8162 Spark Plug is good for Jeep, and Chrysler car models. They are durable and ignite faster and this is good in performance. They are also durable and affordable. 

 ACDelco 41-993 Iridium Spark Plug

ACDelco GM Original Equipment 41-993 Iridium Spark Plug

Here is another high-performance spark plug that comes in a pack of 4 and at a good price. ACDelco 41-993 Iridium Spark Plug works smoothly and can start faster regardless of the weather. It is made of iridium core material and that also gives it the value that you can enjoy for a long time. 

Ignition Performance 

When it comes to ignition, iridium plugs are always great. This ACDelco 41-993 Iridium Spark Plug is not an exception. As we have mentioned, it ignites faster even when it is cold. The advantage of this plug that is rare with others is that it enhances fuel economy. This is because it burns the carbon deposits that would form at the top of the plug. 

Durability and Compatibility 

Of course, iridium is durable. With the suppressor seal meters, you should also expect a longer electrode life. Apart from that, ACDelco 41-993 Iridium Spark Plug is compatible with most types of vehicles.

Pros
  • Compatible with most vehicles.
  • Ignited smoothly even in cold temperatures.
  • It helps in enhancing fuel economy.
  • Longer electrode life for durability.
  • Comes with a gap guide for correct gapping.
Cons
  • Comes with factory preset gaps that should not be adjusted.

Expert opinion: If you are looking for durable and efficient spark plugs that can ignite smoothly even in cold, then ACDelco 41-993 Iridium Spark Plug is the choice. These also improve fuel economy and are durable. 

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Automotive E3 Spark Plugs

E3 Spark Plug E3.48 Automotive Spark Plug

This awesome spark plug is good for all gasoline engines. It is versatile and works for motorcycles as well. The good thing with Automotive E3 Spark Plugs is that it delivers optimal ignition and power on each stroke. It is also efficient in saving fuel consumption. 

Compatibility and Durability 

The best thing about Automotive E3 Spark Plugs is that they are made to suit a wide variety of vehicles. As we mentioned, they are also good for motorcycles, trucks, gasoline-powered cars, and other small engines. Automotive E3 Spark Plugs are also durable and would last long. 

Performance and Ignition Efficiency 

During acceleration, Automotive E3 Spark Plugs there is a fast flame propagation and complete burn for smooth acceleration and idle. Therefore, this spark plug is efficient and delivers optimal power. Since there is faster flame propagation, you would also expect enhanced fuel efficiency.

Pros
  • Suitable for all gasoline-powered engines.
  • Great for small and motorcycle engines as well.
  • Yields faster flame propagation for better fuel economy.
  • Can lead to smooth acceleration and idle.
  • Eco-friendly and reduced carbon emissions.
Cons
  • Only made for gasoline-powered and small engines.

Expert opinion: If you are looking for a good spark plug for a small engine, motorcycle, and gasoline engine, then Automotive E3 Spark Plugs would be a great and recommendable choice to consider.

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Mopar 5.7 Hemi Spark Plugs

Set of 16 Chrysler Jeep Dodge Ram 5.7 Liter HEMI NKG Spark...

This is a great set of 16 spark plug Hemi and comes at an affordable price. Mopar 5.7 Hemi Spark Plugs feature nickel core material and that gives it the ability to last. It is versatile and suits different vehicle types. 

Compatibility With Different Vehicles

The good side with Mopar Spark Plugs is the compatibility. It comes with a great design that suits different vehicles. Just for a mention, these plugs are made for vehicles like Dodge Ram, Dodge Durango, Challenger, Jeep Grand Cherokee, and Commander among others. 

Ignition and Performance 

You’ve got to trust Mopar spark plugs when it comes to ignition efficiency. They offer optimal ignition that is faster compared to most other models. They are copper plugs and are efficient and ignite smoothly as well. Therefore, when it comes to ignition performance, I can say these plugs are great and work without issue. 

Pros
  • Fits with the most specific vehicle brands.
  • Better ignition and efficient performance.
  • Comes in a pack of 16 and at affordable pricing.
  • Better acceleration and speed.
  • Durable and can last long.
Cons
  • Made for particular vehicle models.

Expert opinion: If you need the best spark plugs for dodge charger or 5.7 Hemi, then you have these Mopar Spark Plugs that come in a pack of 16 and are affordable. 

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Autolite AP-5263-4PK Spark Plug

Autolite Platinum AP5263 Automotive Replacement Spark Plugs...

Autolite AP-5263-4PK Spark Plug comes in handy for most vehicles. It is a great choice to make and at an affordable price. It comes as a pack of 4 and you won’t regret the service and performance that you get. With platinum core material and nickel outer, this plug is just the way to go. You will enjoy better ignition and performance. 

Ignition and Performance 

This plug works best when it comes to ignition. It does so faster than most other plugs of a similar type. It is also smooth and reliable. Therefore, if you were to choose your plug based on performance and ignition, Autolite AP-5263-4PK Spark Plug should feature in your list. The platinum core material is what enhances performance. 

Durability and Compatibility 

Looking at compatibility, Autolite AP-5263-4PK Spark Plug is made for a specific type of vehicle. Therefore, you will need to ensure that it works with your vehicle, but for assurance, it fits most vehicle models. In addition to that, the core and outer materials have enhanced the durability of these awesome plugs. 

Pros
  • Reduced gap erosion.
  • Suitable for most specific vehicle models.
  • Better performance and faster ignition.
  • Good quality materials for enhanced lifespan.
  • Quicker acceleration and fuel economy.
  • Easy to install.
Cons
  • A lot of misfires when the gapping is adjusted.

Expert opinion: If you need spark plugs that are reliable in performance and durable, then Autolite AP-5263-4PK Spark Plug would be the right fit. You won’t regret the service that comes with these awesome plugs. 

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APTDY 16 OEM Spark Plug Kit

APDTY Tune Up Kit Includes 16 OEM Spark Plugs, 16 Ignition...

Here is a kit that comes with everything you may need. It included 16 spark plugs and other accessories. You also have the coil on plug boots and ignition wires that work with the spark plugs. APTDY 16 OEM Spark Plug Kit is, therefore, a choice to consider if you are looking for one that can suit your vehicle. 

Compatibility and Durability

There is so much to do when it comes to compatibility. You don’t just pick any plug. For this case, you need to compare the compatibility chart with your vehicle model. In addition to that, you have so many plugs that you can rest assured to serve you for long. These plugs fit some Dodge Ram and Dodge Durango among other models. 

Ignition and Performance 

What bothers anyone is the efficiency of the plugs. You need to check performance in terms of ignition, and how smooth it does. APTDY 16 OEM Spark Plug Kit is the best for that matter. They have better ignition and are efficient in performance. 

Pros
  • A good number hence can serve for long.
  • Better ignition and performance.
  • Comes with other accessories including ignition wires.
  • They are easy to install.
  • Fits different vehicle types.
  • Durable core and outer materials.
Cons
  • A bit expensive compared to other similar plug models.

Expert opinion: APTDY 16 OEM Spark Plug Kit is the best in performance. If you need a set or a kit with other accessories like ignition wires, then you have this wonderful pack to consider.

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NGK 92174 Spark Plug

NGK 92174 Spark Plug

This is another NGK brand that you need to consider. It is one of the best when it comes to performance and quality. NGK 92174 Spark Plug is a single plug and made in the United States. Of course, there is so much to uncover with this awesome unit. It works smoothly and ignites faster. 

Compatibility and Durability

One thing about NGK 92174 Spark Plug is that it works with different vehicles. You just need to check the chart to ensure it can work with your type. It is a great and reliable plug that can serve you for a long time. Therefore, you should check other specs and consider buying them for your vehicle. 

Ignition Power and Performance 

About ignition, NGK 92174 Spark Plug is the best. It ignites faster and smoothly. This feature also makes it one of the best for fuel economy. For better acceleration also, this plug is the choice. It has proven to be efficient and reliable in performance.

Pros
  • Delivers faster ignition.
  • Efficient and reliable performance.
  • Durable core and outer materials.
  • Compatible with a wide variety of vehicles.
  • Works smoothly and yields better acceleration power.
  • Pre-gapped and easy to install.
Cons
  • It comes with only one plug and is relatively costly.

Expert opinion: If you are for NGK brand but a single plug, then NGK 92174 Spark Plug is the right way to go. It is a single yet worthwhile and efficient spark plug that works best for most vehicle types.

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Mopar Chrysler 300 5.7L Spark Plugs

Chrysler 300 Dodge Jeep 5.7L 6.4L Set Of Sixteen (16) Spark...

Mopar Chrysler 300 5.7L Spark Plugs are reliable when it comes to performance and efficiency. You won’t regret getting these plugs for your Jeep model or any other vehicle. The good side with these plugs is that they work for a wide variety of vehicle models. 

Ignition and Efficiency 

When it comes to ignition, Mopar Chrysler 300 5.7L Spark Plugs do not disappoint. They are one of the best in the market due to their performance and efficiency. They ignite smoothly and faster regardless of the weather. They are also pre-gapped and easy to install. 

Compatibility With Vehicles 

One of the advantages of getting Mopar Chrysler 300 5.7L Spark Plugs is the issue of compatibility. The plugs fit well with most vehicle types. 5.7L Hemi Ram Classic, Jeep Grand Cherokee, and most other vehicle types.

Pros
  • Pre-gapped for easy installation.
  • Durable outer and core materials.
  • Better ignition and efficiency.
  • Improves fuel economy.
  • Compatible with most but specific vehicles.
  • Comes as 16 pieces at an affordable price.
Cons
  • They are suitable for specific vehicle types.

Expert opinion: If you are looking for 2006 Chrysler 300c Spark Plugs, then you have the right fit with this set. It is a pack of 16 plugs and all come with an affordable price hence recommendable. 

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DENSO Iridium Spark Plug

DENSO IK16 Iridium Power Spark Plug Ik16 X 4Pieces Ignition...

This is a Japan-made spark plug that suits most vehicle types. DENSO Iridium Spark Plug is one of the awesome options to choose for your vehicle. It is made to offer the best and better ignition, acceleration, and smooth performance. It comes as one but an affordable piece. 

Performance and Ignition 

This is a high-performance spark plug that delivers better torque and power. DENSO Iridium Spark Plug is reliable and ignites faster and smoothly. It also delivers better acceleration and that is the reason you need to check compatibility with your vehicle. 

Durability and Compatibility 

One thing that is advantageous with Iridium plugs is the length of service. They are highly durable and reliable in performance. They are the best for different vehicle models as well. Therefore, when it comes to choosing a good plug for your car, you may want to check out the compatibility with this plug. According to specs, DENSO Iridium Spark Plug would last for over 100, 000 miles.

Pros
  • Durable and can last long.
  • Delivers high torque and power.
  • Ignites smoothly and faster.
  • Fits well with different vehicle types.
  • Made from the durable iridium core material.
Cons
  • Needs some extra care during installation.

Expert opinion: DENSO Iridium Spark Plug is a great and affordable choice to make. The plug is cheap in price but valuable in performance. Therefore, if you want a single plug, you can check compatibility with this great choice.

Frequently Asked Questions (FAQs)

There are so many questions that revolve around the plugs. These are aimed at understanding the compatibility issues of different plugs with vehicles, performance, and other specs or issues regarding the same. Some of the questions that have been asked more frequently include:

Is the 5.7 Hemi reliable?

Yes! 5.7 Hemi is one of the most trusted in terms of reliability and performance. That is when compared with most other engines. It may not be at the top of the list but all we can say is that the 5.7 Hemi is a reliable and worthwhile engine. 

How much HP can you add to a 5.7 Hemi?

With 5.7 Hemi, the maximum horsepower that you can add is 650HP. 

Do spark plugs increase horsepower?

Yes! Spark plugs are made differently but the ultimate aim is to improve power. Therefore, we can say spark plugs increase horsepower but they differ in make and the power they can give. 

How can I get more power out of my 5.7 Hemi?   

To get more power for a 5.7 Hemi, you will need to install a turner, cold air intake, replace the stock exhaust, replace the heavy flywheel of the engine, change the driveshaft, replace the air filter, and use a supercharger. Also, replace your sparks with one that delivers more power. 

How to Choose the Best Spark Plugs for 5.7 Hemi

Choosing one particular plug over the other is never a simple task. You have to spend some time on research. This is to understand performance and compatibility issues. As we have already addressed the factors that you ought to look into, here, you may choose your plug for 5.7 Hemi based on the following:

Best Overall 

As per our experts, the best overall, we picked based on the number of positive reviews and with good ratings. In that case, NGK 5464-4PK IX Spark Plug is our best overall, just as it appears on the list. Therefore, if you were to pick based on our expert’s opinion, then you won’t hesitate to go with the best overall. 

Best Budget

One of the cheapest plugs on our list is DENSO Iridium Spark Plug. It is a valuable option that is great in performance and ignition power. Therefore, it is a great deal for a limited budget. 

The High Number of Pieces 

For more pieces of spark plugs, you may want to buy a set that can last you for a long time. This will serve you for a long time and for that matter, APTDY 16 OEM Spark Plug Kit is a fantastic set that doesn’t just come with plugs but with other valuable accessories. 

Conclusion 

After comparing these Hemi engine spark plugs, we hope that you have settled on your choice. You will for sure enjoy the service and performance of these plugs. Our experts have selected the most reliable and trusted choices on the market. Therefore, you only need to get one that is compatible with your vehicle and you will enjoy the smooth and reliable performance.

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