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10 Best SBC Head Gasket: Worth The Money? – Prevent Fluid Mixing

SBC Head Gasket

Imagine a horrifying scenario where the oil, coolant, and gasoline are all mixing together. Yep, that’s what happens when the head gasket stops functioning. You get a leak and all the fluids tend to mix up all together.

And you might even be surprised but a failed gasket can make the oil turn into a milky white color. That can never be a good sign. So, to tackle this issue you need the best SBC head gasket in the market.

That’s why we came up with a list of the top 10 best sellers in the market. Even our researchers put in a lot of effort to make the list. They have spent a lot of hours comparing each and every product that they found.

After all this, they have come up with a top-notch head gasket. Plus, we didn’t stop there. In fact, we took another step and we have incorporated a buying guide to help make things easier for you.

So, if you have your reading glasses on, we can commence the journey.

What Is Head Gasket?

head gasket

If you own a boat with a small-block Chevy (SBC) engine, you may have heard of SBC gaskets. These are an important component of your boat’s engine, and play a critical role in ensuring its performance and reliability.

So, What Exactly Are They and How Do They Work?

In this post, we’ll explore the basics of SBC gaskets, including their function, types, and importance in boat engines.

Function of SBC Gaskets SBC gaskets are used to create a seal between engine components, such as the cylinder head, intake manifold, and exhaust manifold. These seals are essential for preventing leaks and ensuring that the engine operates at its optimal level.


SBC gaskets are critical for ensuring that your boat’s engine operates at its optimal level. Without proper seals between engine components, leaks can occur, causing a range of problems, including reduced engine power, decreased fuel efficiency, and increased emissions. Additionally, leaks can lead to more serious problems, such as engine overheating, engine failure, or even a fire.

In addition to preventing leaks, SBC gaskets can also improve engine performance. By ensuring a tight seal between components, the engine can more effectively control airflow and fuel combustion, which can lead to increased power and fuel efficiency.

Top 10 SBC Head Gasket on the Market

1. FEL-PRO 1003 Head Gasket

FEL-PRO 1003 Head Gaske

More About The Product

The first product on our list is the FEL-PRO 1003 Head Gasket. Now, the brand might have called itself the pro player but is it actually the pro?

Well, the distinguishing feature of this product features graphite or reinforced fiber facing material and steel armor. All of these work together to increase the strength and durability of the head gasket. These even ensure that this head gasket can work with heavy operating vehicles. Plus, it is specially designed to ensure that the gasket doesn’t cause any leak.

You see, if there is any leakage because of the gasket all the fluids in the engine will get an escape route. At that point, the oil will try to go through the same place and it will become a mixture of disasters.

But that’s not all, this head gasket is specially designed to repair the environment. And, it helps seal imperfect sealing surfaces. So, even if you have a pre-existing leakage this head gasket can take care of it.

Other than this, the Fel Pro 1003 head gasket’s non-stick anti-friction coating works to repair the imperfect surfaces. By that, we mean any leaks that might be present.

  • It has high durability
  • Doesn’t allow leakage problem
  • Can handle high pressure and temperature
  • Doesn’t need additional retorquing head bolts
  • This head gasket has high strength

  • Bead material breaks too easily

2. FEL-PRO 501 SD Head Gasket

FEL-PRO 501 SD Head Gasket

More About The Product

The second item on the list is the FEL-PRO 501 SD Head Gasket. And from the name you guessed it. This is yet another of Fel-Pro head gaskets. Now, this one did do great in the competition. But, it lost because it didn’t contain graphite to back up its strength.

However, when you compare it to the other product this one has the most thickness. That gives the gasket enough power to stick to its place. In fact, this increases the adhesion. That’s why they can work on heavy machinery.

And, the best part is that this one comes at a much more affordable price range when compared to the previous product. So, if you’re willing to work with a product that doesn’t have graphite to strengthen it then this one will do.

However, you won’t be compromising a lot. You see, this one is also made of high-quality steel. That increases its strength to endure the high pressure and temperature that the engines tend to provide from time to time.

But the one thing that we liked is that this head gasket has a black coating with blue lines on them. Now, we know that aesthetics isn’t a major determining factor for a head gasket.

We mean, they will be working with the engines. No one can see them. But then again you won’t be disappointed after seeing the head gasket.

Besides that, this Fel Pro head gasket is built for hardworking vehicles. They even work with the cars that need to operate in severe conditions. And just like the previous one this one too guarantees you superior sealing performance.

That means you won’t see any leaks of oil or gasoline anywhere in your engine. And thus these fluids won’t mix up together and cook a disaster.

  • Work with high operating vehicles
  • It can ensure high temperatures and pressure
  • Doesn’t allows any leakage
  • It is corrosion-resistance
  • It has good adhesion property

  • You can only buy one head gasket at a time

3. FEL-PRO 7733 SH-1 Head Gasket

FEL-PRO 7733 SH-1 Head Gasket

More About The Product

Moving on, we have yet another of Fel-Pro head gaskets. And this one is the Fel-Pro 7733 SH-1 Cylinder Head Gasket. We might be in love with Fel-Pro but we do have our reason. And the main reason for loving this gasket is its thickness.

You see, if you have a quick look at the comparison table you will find that this particular gasket has the lowest thickness on our list. In fact, the thickness of this gasket is 0.015 inches. And that is significantly lower than the other ones.

So, what’s the benefit?

Well, the thinner the head gasket the higher the compression ratio. That in turn results in low fuel consumption. And that means you will be saving quite a few bucks out of this.

Speaking of which, this gasket is also quite budget-friendly. So, you won’t be digging a hole into your pocket if you aim to buy this gasket. However, even when they lowered the price they never undermined the quality.

This head gasket’s quality is still decent. And its consistency is also very precise. All in one, that makes a suitable candidate because it means that this head gasket can work in any environment you put it in.

Moreover, this head gasket is also made of steel which is robust in nature. That means that this Fel-Pro head gasket can combat both combustion pressure and temperature. And that is something to look forward to in a head gasket.

Apart from that, the bore diameter of this head gasket is 4.1 inches. Now, we find it mandatory to warn you that the bore diameter of most gaskets doesn’t come exactly in that size. It may be more in length.

So, do check with that before you commit to this head gasket. Ensure that they work well with the engine that you have back at home. Otherwise, this purchase will be a waste of money.

In short, this Fel-Pro head gasket can save you quite a bit of money. It’ll do this by not only being cost-saving but also making things more efficient. Thus, it supports you in saving up a bit for something more fulfilling.

  • It is cost-efficient
  • This lowers fuel consumption
  • Made of good quality material
  • Ensures perfect fit with different engines
  • Can handle combustion pressure and temperature

  • The bore diameter may vary from its description

4. Cometic Gaskets C5245-060 4.060 MLS

Head Gasket .060 – SBC

Cometic Gaskets C5245-060 4.060 MLS Head Gasket .060 - SBC

More About The Product

Next up, we have the Cometic Gaskets MLS Head Gasket. Yes, finally a break from Fel-Pro. But hey, what does this brand offer to you?

Well, the most unique thing about this product is that its bore diameter is very small in length. Thus, if you have a small-sized engine that requires work with a small diameter head gasket then this is the one for you.

For your information, this head gasket’s diameter is 4.06 inches. So, do check whether this size works with the engine that you are targeting to use.

Other than that, this product is quite easy to install. You won’t face much trouble getting this onto your engine. But if you still face issues then you can easily see some tutorials online to get an idea. However, it won’t be needed.

Moreover, the durability of this product is quite commendable. This steel-based head gasket will last for ages. Thus, you won’t have to throw it away after a few months of use.

  • It is quite long-lasting
  • Can fit small-sized engines
  • It is easy to install
  • Seals pretty well

  • Can’t handle too much temperature or pressure

5. FEL-PRO 8364 PT Head Gasket

FEL-PRO 8364 PT Head Gasket

More About The Product

The last product on our list is the Fel-Pro 8364 PT Cylinder Head Gasket. Now, we know that this is the ending product on our list. But do give this one a scope. You never know, this product might surprise you in unexpected ways.

Well, the most standing-out feature of this product is that it has the highest bore diameter. In reality, the length of this diameter is 4.19 inches. That is quite long when you compare it to the others. For this, it can work with massive-sized engines. The bore hole will be broad enough to fit the gaps of the engines perfectly.

Apart from this, like the others, this one too is made of steel. Thus it can handle high pressure and temperature. Moreover, it won’t lead to any leakage. You can even count on it to do its job properly.

Furthermore, this head gasket can fit, form, and function properly with all of its compatible engines.

  • Ensures perfect fit
  • Doesn’t allow leakage
  • Can handle high pressure and temperature
  • It can fit huge engines

  • Not too durable

Buying Guide

At the thought of buying an SBC head gasket, you might ask yourself a few questions. What to buy and which one to buy since there are so many options in the market. Well, in that case, you will have to look for the insider’s info.

By that, you have to know what defines the best head gaskets. And for that reason, we have compiled a list of items that we think are necessary for you. You’ll even need to go through all of this before you commit to one of the products.

Now, you might be an expert but hey, it’s always a nice opportunity to learn something. You never know what you might end up picking up from this info segment.

So, folks, do join in as we discuss some of the important features of head gasket-

Designs of the Head Gasket

Head Gasket

The first thing to focus on is the design of the head gasket itself. Now, if we generalize there are two primary building materials of the head gasket. Both of  them are composite and metal. The ones made of composite materials tend to have quite a thin layer of gasket sheet. And these are bonded to a steel core with a fire ring at the cylinder.

On the other hand, a metal-type gasket tends to come in 3 forms. One comes with a shim steel design, another one is multi-layer steel and the third one comes in a form of solid copper.

Now, the shim steel gaskets are mainly the type of gasket that is purely stamped steel which tends to have different thickness combinations. On the other hand, multi-layered steel is one of the latest designed gaskets.

This has one or more embossed stainless sheets molded to form a metal core. And at the very end, we have the solid copper one. This is the strongest one of them all. And this gasket brings many options for bore and thickness combinations.

The Thickness of the SBC Gasket


Another factor is the thickness of the gasket. Now, you might have noticed that the gaskets tend to have a general thickness of 0.041 inches. And if it is not exactly that it will be somewhere close to it.

After seeing the thickness you might worry that the gasket might be too thick. However, there is no need to worry about that issue. This is because the decks are flat on the heads and the block so a thinner gasket can be used safely.

Compatibility of The Gasket

Fixing a Blown Head Gasket

One more thing to look into while buying the head gasket is whether your gasket will be compatible with the engine or not. Now, each one is designed for a handful of different engines. So, when buying the head gasket ensure that they work with the engine that you have. Otherwise, you will have to spend your money on a new one which will be a waste of both time and money.

Size of The Engine

Another factor that plays a huge role in your decision-making is the size of your engine. You see, the gasket will be going around your engine to create a layer of protection so that the fluids don’t mix up.

Thus, this size has to coincide with the engine’s size. Otherwise, it won’t even match up. And if the whole thing does not fit you know what you will have to do. Yep, you will have to invest in another head gasket. And who wants that?


head gasket

1. What are the problems with a thicker head gasket?

The primary problem with a head gasket is that it is prone to failure. That is because it increases the space between the head and block. Plus, the thicker head gaskets have a bit lower compression ratio.

2. Can you use 2 head gaskets?

You can use 2 head gaskets but we recommend that you stick to one. This is because when you have 2 gaskets on, squeeze the other one outward. And that will cause a leak. Moreover, having 2 will raise the head a bit. This will lead to a slight compression drop.

3. What are the signs of a bad head gasket?

There will be a few signs of a bad head gasket. Some of them will be white smoke coming from the tailpipe, overheating engines, loss of coolant without any leaks, or oils turning into a milky white color.

4. Can a head gasket be too thick?

Yes, a head gasket can be too thick. Now, if the head gasket is too thick this can increase the likelihood of detonation even though the overall compression ratio of this gasket is low.

5. What happens when head gasket goes?

Here are some of the most common symptoms that occur when a head gasket goes on your boat:

Overheating: A head gasket failure can cause the engine to overheat due to the loss of coolant. This is often one of the first signs that there is a problem with the head gasket.

White smoke from the exhaust: If coolant is leaking into the combustion chamber, it can create a white smoke from the exhaust. This is a clear indication that there is an issue with the head gasket.

Engine misfire: A head gasket failure can cause a loss of compression in the engine, leading to an engine misfire. This can make the engine feel rough or sluggish.

Oil contamination: A head gasket failure can also lead to oil and coolant mixing together. This can cause the oil to become contaminated and lose its lubricating properties, which can lead to engine damage.

Loss of power: A head gasket failure can cause a loss of power due to a loss of compression in the engine. This can make it difficult to get the boat up to speed and can also decrease fuel efficiency.

To Sum Up

Well, that is all we had on the topic of the best SBC head gasket. Now, we leave things in your capable hands. Since you will be the one ultimately buying the gasket you get to call the final shots. Anyway, it seems like our job here is done. So, this superhero will take your leave now. Have a great day and best of luck with your little purchasing decision.

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