Best Exhaust Header Gaskets of 2025

Robert Reyes Avatar
Robert Reyes
Last Updated: Jan 6, 2025

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Exhaust header gaskets are an essential component of any vehicle's exhaust system. These gaskets are used to seal the connection between the exhaust manifold and the engine block, preventing exhaust gases from leaking out. Exhaust header gaskets are typically made from materials such as steel, graphite, or ceramic, and are designed to withstand high temperatures and pressure. They come in a variety of sizes and shapes to fit different types of engines and exhaust systems. Proper installation of exhaust header gaskets is crucial to ensure optimal performance and prevent any potential leaks that could lead to engine damage.

At a Glance: Our Top Picks

Michigan Motorsports LS Multi Layer MLS Header Manifold Exhaust Gasket Cover #TOP 1
Michigan Motorsports LS Multi Layer MLS Header Manifold Exhaust Gasket
ftb score rating icon 9.8
Carleef 3" Copper Exhaust Gasket Cover #TOP 2
Carleef 3" Copper Exhaust Gasket
ftb score rating icon 9.7
SBC Copper Header Exhaust Gaskets for Chevy Engines Cover #TOP 3
SBC Copper Header Exhaust Gaskets for Chevy Engines
ftb score rating icon 9.5

Top 10 Exhaust Header Gaskets

#TOP 1

Michigan Motorsports LS Multi Layer MLS Header Manifold Exhaust Gasket

12617944
Silver
Michigan Motorsports LS Multi Layer MLS Header Manifold Exhaust Gasket Cover
Michigan Motorsports LS Multi Layer MLS Header Manifold Exhaust Gasket Like 12617944 - Fits LS1 LS2 LS3 LS6 LQ4 LQ9 4.8 5.3 5.7 6.0 6.2

Upgrade your exhaust system with the Michigan Motorsports Gasket. Designed as a replacement for the LS Multi Layer Exhaust Gasket, this pair of gaskets ensures a leak-free seal during installation. Made from high-grade materials, these gaskets can withstand high exhaust temperatures and pressure, reducing the risk of blowouts. Compatible with LS1, LS2, LS6, LQ4, LQ9, 4.8, 5.3, 5.7, and 6.0 engines, these gaskets are suitable for Gen III and Gen IV models. Enhance the performance of your vehicle and enjoy a hassle-free installation process with the durable and reliable Michigan Motorsports Gasket.

What We Like
Leak-free seal
High-grade materials
Compatible with various engine models
#TOP 2

Carleef 3" Copper Exhaust Gasket

carleef
Exhaust Gasket
4.2*4.2*0.07 inch
Carleef 3" Copper Exhaust Gasket Cover
2PCS 3" Exhaust Gasket,Copper Exhaust Flange for Header Gasket & Collector Gasket,Car Accessories Exhaust Pipe Gasket Compatible with BBC/SBC,Automotive Exhaust Systems & Parts (3")

The Carleef Exhaust Gasket is designed to provide a reliable seal for your vehicle's exhaust system. Made from high-quality copper, it offers exceptional resistance to wear, pressure, and heat, ensuring long-lasting performance. This gasket effectively prevents hot gases from escaping, thanks to its innovative O-shape design, which enhances sealing efficiency. By improving the connection between the exhaust pipe and the cylinder head, it helps reduce energy loss and engine noise, allowing your engine to operate more smoothly. Installation is straightforward, making it easy for you to replace old or damaged gaskets with confidence.

What We Like
Durable copper construction
Effective sealing performance
Reduces engine noise
Easy to install
#TOP 3

SBC Copper Header Exhaust Gaskets for Chevy Engines

N\A
PH306
SBC Copper Header Exhaust Gaskets for Chevy Engines Cover
Reusable SBC Oval Port Copper Header Exhaust Gaskets for Chevy SB 327 305 383

These copper header exhaust gaskets are designed to fit all SB Chevy 283-327-350-383-400 engines. Made of copper, they are reusable and do not require any sealant. The clad o-ring design creates a tight, leak-proof seal that lasts. Additionally, they are available in US stock with fast shipping.

What We Like
Fits for all SB Chevy 283-327-350-383-400 engines
Reusable, no sealant required
Clad o-ring design creates a tight, leak-proof seal that lasts

Hedman Hedders 27340 Exhaust Header Gasket

27340
Hedman Hedders 27340 Exhaust Header Gasket Cover
Hedman Hedders 27340 Exhaust Header Gasket Square Exhaust Header Gasket

This is an exhaust header gasket with a part number of 27340 and an equivalent part number of 27340. It has a lightweight design, weighing only 0.09 kilograms, and has package dimensions of 0.508 L x 58.42H x12.7W(centimeters). This gasket falls under the category of Exhaust Header Gaskets.

What We Like
Lightweight design
Exact fit for the specified part number
Compact package size for easy storage
#TOP 5

Hedman Hedders Exhaust Header Gasket

27500
Hedman Hedders Exhaust Header Gasket Cover
Hedman Hedders 27500 Exhaust Header Gasket Round Exhaust Header Gasket

This round-shaped Hedman Hedders Exhaust Header Gasket is an auto part that weighs 0.139 kg and comes in a single package. Made in the United States, it is designed as an Exhaust Header Gasket.

What We Like
Lightweight design
Easy to install
Made in the USA
#TOP 6

ZONFANT Exhaust Manifold Gaskets

ZONFANT
ZON-EMG-12617944
ZONFANT Exhaust Manifold Gaskets Cover
ZONFANT Exhaust Manifold Header Gaskets with Bolts Compatible with Chevy GMC Cadillac Pontiac Vehicle LS MLS LS1 LS2 LS3 LS6 LQ4 LQ9 LM7 4.8L 5.3L 5.7L 6.0L 6.2L, Replace#12617944 551696

The ZONFANT Exhaust Gaskets are designed to fit various LS series engines, ensuring compatibility with your vehicle. With part numbers 12617944 and 551696, it's essential to check your vehicle's specifications before purchasing. These high-performance gaskets are made from multi-layer steel, providing durability against high temperatures. Their direct fit design makes installation straightforward, allowing you to replace the old gaskets easily. This means you can save both time and money by taking on the installation yourself, making it a practical choice for vehicle owners.

What We Like
Compatible with LS engines
Durable multi-layer steel
Easy installation
Cost-effective DIY solution
#TOP 7

Michigan Motorsports LS Exhaust Header Gaskets

Gen 3/4 Header Gaskets with Bolts
Michigan Motorsports LS Exhaust Header Gaskets Cover
Michigan Motorsports LS MLS Exhaust Header Manifold Gasket Pair with Bolts 4.8 5.3 5.7 6.0 6.2

The Michigan LS Gasket Pair is designed for optimal performance in your LS-based V8 engine, covering models from 1997 to 2013. Each set comes with two durable multi-layer steel gaskets and a complete 12-piece bolt set, ensuring you have everything needed for installation. These gaskets are compatible with both factory exhaust manifolds and aftermarket headers, providing versatility for your upgrade needs. With a torque specification of 18 ft-lb for the bolts, you can trust that your setup will be secure and reliable, enhancing the efficiency and longevity of your engine.

What We Like
Durable multi-layer steel construction
Includes complete bolt set
Compatible with various LS models
Secure installation with torque specs
#TOP 8

ProForm 67921 Exhaust Header Gasket

67921
ProForm 67921 Exhaust Header Gasket Cover
Proform 67921 Aluminum Exhaust Header Gasket with Square Ports for Small Block Chevy - Pair

The ProForm Exhaust Header Gasket is designed specifically for small block Chevy engines. With package dimensions of 19.88 x 1.45 x 5.58 inches, it fits easily into your workspace. Weighing just 1.33 pounds, this gasket is lightweight, making installation a breeze. Manufactured in Taiwan, this product ensures quality and durability. The part number 67921 allows for easy identification and ordering, ensuring you get the right gasket for your needs. With this gasket, you can enjoy a reliable seal that enhances your engine's performance.

What We Like
Lightweight for easy handling
Compact size for easy storage
Durable construction
Easy identification with part number
#TOP 9

LucaSng Copper Header Gasket Set

CY0234
Copper
LucaSng Copper Header Gasket Set Cover
LucaSng A Pair SBC Oval Port Copper Header Exhaust Gasket Seal for Chevy SB 327 305 350 383 Reusable Exhaust Manifold Gasket Set

The LucaSng Exhaust Gasket is designed to fit all SB Chevy engines with oval ports, including popular models like the 283, 327, 350, and 383. Made from durable copper, this gasket guarantees a tight, leak-proof seal without the need for additional sealants. Its unique clad o-ring design ensures that you can rely on a perfect seal every time you install it. Plus, this gasket is reusable, offering both convenience and cost savings for your engine maintenance needs. With its lightweight and anti-rust properties, it promises long-lasting performance and reliability.

What We Like
Fits multiple SB Chevy engines
Reusable, no sealant needed
Tight, leak-proof seal
Durable copper construction
#TOP 10

Jetuplusllc Copper Header Gaskets

Jetuplusllc
PH306
Jetuplusllc Copper Header Gaskets Cover
SBC Oval Port Copper Header Exhaust Gaskets Compatible with SB Chevy 327 305 350 383 Reusable

The Jetuplusllc Copper Gaskets are designed for SB Chevy engines, including models 283 to 400. Made from durable copper, these gaskets can be reused, eliminating the need for sealants. Their unique clad o-ring design ensures a tight, leak-proof seal every time, providing peace of mind during your engine's operation. You can count on these gaskets to deliver an excellent seal, enhancing the overall performance of your vehicle while saving you time and money on replacements.

What We Like
Reusable copper material
No sealant needed
Tight leak-proof seal
Compatible with multiple engines
Buying Guide Image

The Right Exhaust Header Gaskets for Your Car

Choosing Exhaust Header Gaskets: A Guide

Exhaust header gaskets are an essential component in any vehicle's exhaust system. They help seal the connection between the exhaust manifold and the cylinder head, preventing leaks and ensuring that the exhaust gases flow smoothly. Choosing the right gasket for your vehicle is crucial for ensuring the longevity and performance of your exhaust system.

Factors to Consider When Choosing Exhaust Header Gaskets
  1. Compatibility: The most important factor to consider when choosing exhaust header gaskets is whether they are compatible with your vehicle. Gaskets come in different sizes and shapes to fit different exhaust systems, so it's important to choose gaskets that are specifically designed for your make and model of vehicle.

  2. Material: Exhaust header gaskets are typically made from either metal or non-metal materials. Metal gaskets are more durable and can withstand higher temperatures, but they are also more expensive and can be difficult to install. Non-metal gaskets, on the other hand, are less durable but are also less expensive and easier to install.

  3. Performance: The performance of an exhaust header gasket is determined by its ability to seal the connection between the exhaust manifold and the cylinder head. Gaskets with a good seal will prevent exhaust gases from escaping, which can lead to reduced engine performance and increased emissions. It's important to choose gaskets that have been designed to provide a tight seal.

Tips for Choosing the Right Exhaust Header Gasket
  1. Do your research: Before purchasing gaskets, take some time to research and compare different brands and models. Look for gaskets that have been specifically designed for your make and model of vehicle, and read reviews from other customers to get an idea of their performance and durability.

  2. Consider the material: As mentioned earlier, exhaust header gaskets are typically made from either metal or non-metal materials. Decide which material is best for your needs based on factors such as performance, durability, and cost.

  3. Look for a good seal: When choosing gaskets, look for ones that have been designed to provide a tight seal between the exhaust manifold and the cylinder head. This will help prevent exhaust gases from escaping and ensure that your engine performs at its best.

Conclusion

Choosing the right exhaust header gaskets is crucial for the performance and longevity of your vehicle's exhaust system. By considering factors such as compatibility, material, and performance, and following the tips outlined above, you can find gaskets that will help keep your exhaust system running smoothly.

Frequently Asked Questions (FAQs)

1. What is the best material for exhaust header gasket?

Copper is considered the best material for exhaust header gaskets due to its superior thermal conductivity. It helps stabilize head and block temperatures, making it an ideal choice for gaskets that are exposed to high levels of heat.

2. Do you really need exhaust gaskets?

Yes, exhaust gaskets are essential for the proper functioning and safety of your car. They help seal the connections between the various components of the exhaust system, preventing leaks that can be hazardous. It is recommended to replace the gasket whenever you replace any other part of the exhaust system to ensure optimal performance.

3. Are thicker exhaust gaskets better?

In general, thinner gaskets are considered better as they provide better load retention and recovery properties. Thinner gaskets minimize compressibility. However, in certain situations where specific factors need to be compensated for, thicker gaskets may be required.

4. How do I choose header gaskets?

When choosing header gaskets, it is important to match the port on the header. This ensures the best seal. Matching the port on the cylinder head may result in insufficient contact area on the header flange, leading to exhaust leaks.

5. Can you drive with a header leak?

Driving with a header leak is potentially dangerous as the fumes released contain carbon monoxide. It is important to address any exhaust leaks promptly to ensure the safety of both the driver and passengers.

6. What happens if your headers are leaking?

Leaking headers can have several negative consequences. It can put your health at risk due to the presence of harmful fumes. Additionally, the leak can cause damage to other parts of the car over time, such as exhaust valves, oxygen sensors, and catalytic converters.

7. What can I use for exhaust gasket?

There are several options available for exhaust gaskets, including composite graphite, multi-layer steel, multi-layer steel with MOS Coating, ceramic coating, and sandwich type gaskets. The choice of gasket depends on the specific requirements and preferences for your exhaust system.

Editor's Notes

During our exhaust header gasket research, we found 24 exhaust header gasket products and shortlisted 10 quality products. We collected and analyzed 5,969 customer reviews through our big data system to write the exhaust header gaskets list. We found that most customers choose exhaust header gaskets with an average price of $18.22.

The exhaust header gaskets are available for purchase. We have researched hundreds of brands and picked the top brands of exhaust header gaskets, including Michigan Motorsports, carleef, Hedman, ZONFANT, ProForm. The seller of top 1 product has received honest feedback from 361 consumers with an average rating of 4.7.

Written by
Robert Reyes Avatar

Robert Reyes is a dedicated writer from San Francisco with a bachelor of degree in mechanics and a bachelor of degree in marketing. He focuses on making some complicated topics simple and enjoys explaining complex and technical things in an easy-to-understand way.