Top 6 Best SBC Water Pump Review and Buying Guide In 2023

Looking for the best SBC water pump can be a daunting task, especially when you want to ensure your engine stays cool and runs smoothly. Choosing the wrong one could lead to overheating, decreased engine performance, and potential damage. That’s why we’ve done the for you and compiled a list of the 6 best SBC water pumps on the market.

In this blog post, you’ll find all the information you need to make an informed decision on which SBC water pump is right for your engine. We’ll highlight the key features and benefits of each pump, so you can choose the one that meets your specific needs and budget.

Whether you’re a seasoned mechanic or a DIY enthusiast, this post will provide you with valuable insights that will help you keep your engine running smoothly. You’ll learn about the different types of SBC water pumps, how to choose the right one for your engine, and what to look for when shopping for a new pump.

By the end of this post, you’ll have a clear understanding of the best SBC water pumps available, and our top pick – the FlashPower Short Water Pump for Chevy Small Block – will be a no-brainer. We’ll also hit on the best SBC electric water pumps, and this year’s top pick there is the CVR Performance 7550 Water Pump. So, if you’re ready to upgrade your engine’s cooling system, keep reading and find the perfect SBC water pump for Chevy 350.

6 Best SBC Water Pump Review Comparison in 2023

6 Best SBC Water Pump Review in 2023

1. FlashPower Short Water Pump for Chevy Small Block

The Flashpower Short Water Pump is the best small block SBC water pump on the market today. This high-quality water pump boasts an array of features that make it stand out from the competition.

First and foremost, the Flashpower Short Water Pump is designed to fit SBC engines perfectly. Its compact design ensures that it will fit perfectly into the engine bay without any clearance issues, making it a great choice for those who want a water pump that is easy to install.

In addition to its perfect fit, the Flashpower Short Water Pump is made from high-quality aluminum that ensures it will last for years to come. This durable material can withstand high temperatures and constant use without corroding or deteriorating.

Another standout feature of the Flashpower Short Water Pump is its precision-machined impeller. This impeller is designed to optimize water flow and improve cooling performance. Its heavy-duty bearing assembly is also designed to improve the reliability of the water pump, so you can be confident that it will last for years.

Finally, the Flashpower Short Water Pump features a shorter shaft design that reduces weight and increases clearance. This not only makes it easier to install but also improves the performance of your engine by reducing the amount of weight it needs to move.

Overall, the Flashpower Short Water Pump is the best SBC water pump available on the market today. Its perfect fit, durable construction, optimized water flow, and improved performance make it a must-have for anyone looking to upgrade their engine’s cooling system.

  • This flashpower short water pump is lightweight.
  • This water pump offers a shaft with heavy-duty and a 5/8 inch length pilot.
  • It fits from 1955 to 1968 Chevrolet passenger cars with a small block as well as 1969 to 1970 with ci 350 Corvettes.
  • This short type of water pump has to use with pulley and brackets constructed for a short water pump.

Key Features of the Flashpower Short Water Pump

It has a compact design that fits small block Chevy engines and is made from high-quality aluminum for durability. The water pump also has a precision-machined impeller for optimal performance and a heavy-duty bearing assembly for improved reliability. Additionally, the pump is designed with a shorter shaft to reduce weight and increase clearance. The Flashpower Short Water Pump is an excellent choice for those looking for a high-performance, lightweight water pump for their Chevy small block engine.


  • It provides a heavy-duty shaft.
  • This pump is lightweight.
  • The finishing of this pump is high polished.
  • It has an upgraded look and performance.


  • There has no heater port with this water pump.

2. CVR Performance 7550 Water Pump – Best SBC Electric Water Pump

The CVR Performance 7550 Water Pump is a high-quality electric water pump designed specifically for SBC engines. It is an excellent replacement for stock mechanical water pumps and provides superior performance and durability.

This water pump is constructed using the latest technology and features a CNC-machined housing that is both lightweight and durable. It also has a high-flow impeller that is designed to deliver maximum coolant flow, ensuring that your engine stays cool even under extreme conditions.

One of the key benefits of the CVR Performance 7550 Water Pump is its ease of installation. It is designed to bolt directly onto your Small Block Chevy engine without any modifications or special tools required. This makes it an ideal choice for both professional mechanics and DIY enthusiasts who want to upgrade their engine’s cooling system.

Furthermore, the CVR Performance 7550 Water Pump is extremely reliable and built to last. It is designed to withstand high temperatures and harsh operating conditions, making it an excellent choice for racing or other high-performance applications.

In summary, the CVR Performance 7550 Water Pump is the best SBC electric water pump on the market because of its high-quality construction, superior performance, ease of installation, and overall reliability. It is a must-have upgrade for anyone looking to keep their Small Block Chevy engine running cool and performing at its best.

Key Features of the CVR electric water pump

  • CVR Performance provides an electric water Pump.
  • This water pump makes up the aluminum.
  • It has natural or clear Anodize.
  • It is suitable for a high-performance race car.


  • This CVR water pump is a low profile water pump.
  • There has an opportunity to switch systems.
  • You can turn on or off it.


  • This pump cannot be used in cars everyday.

3. Demotor Performance short SBC water pump

The Demotor Performance for 1955-68 cast aluminum small block chevy high volume short water pump SBC 283 327 350 is an aluminum water pump. This short block chevy short-style water pump has a high volume. The nature of this water pump is finish.

It includes ultra-lightweight aluminum that provides heavy-duty. At high RPM, it alleviates cavitation. It offers standard rotation. This pump consists of gaskets. This water pump offers direct factory replacement, and it is perfect for racing.

It offers shims for the fan hub.

Key Features of the SBC water pump

  • This water pump is a high volume water pump.
  • This SBC short style water pump contains a 3/4 inch top port, 5/8 inch pilot, and 1/2 inch NPT side port.
  • This water pump shaped with the ultra-lightweight aluminum provides high duty.
  • This pump fits in the 1955 to 1968 small block chevy cars.
  • It offers excellent reliability because of having a sealed pack and larger Chevrolet bearing.
  • For excellent flow, it has a billet body and impeller providing tight clearances.
  • The pump clears most blower drives and cam belt.


  • It has high-quality roller bearings for reducing heavy loads and extending pump life.
  • It has a machine system impeller for maximizing pressure and volume.
  • The water pump reduces cavitation at high RPM.
  • This pump appropriate for direct factory replacement or racing.
  • It has high-quality roller bearings.
  • It offers excellent flow characteristics.


  • It comes with no bolt.

4. Kernel High flow electric aluminum water pump – top SBC electric Water Pump

Kernel Electric Water Pump for small block chevy 350 Chevy is a high-volume great SBC electric water Pump. It includes a small block chevy engine. The materials of this water pump are aluminum.

This pump is a thirty-five GPM electric water pump. It contains baking plate gaskets. This water pump also enables mounting hardware. It is an electric water pump that facilitates LWP Pulleys. It has twelve inches connector wire.

Key Features of this SBC electric water pump

  • An electric water pump SBC providing high flow contains 6061 billet Aluminum.
  • This water pump has backing plate gaskets.
  • It has a 12 inches of connector wire.
  • This small block chevy electric water pump applies with LWP pulleys.
  • It includes mounting hardware and inlet nipple.
  • This SBC electric water pump contains a chrome color.


  • It offers a pipe plug.
  • It has a backing plate.
  • It includes mounting hardware.


  • This electric pump does not work in reverse rotation.

5. Speedway Motors SBC Short Aluminum Water Pump

Speedway Motors Small Block Chevy Short Aluminum water pump is an excellent SBC water pump. It flows in per flows 35 gallons at 4,000 RPM that is minimum cavitation. It proportionally increased maximum at 5,000 RPM and above flow rate.

This SBC aluminum water pump equalizes pressure-balanced water passage and water flow distribution. Minimizing internal engine hot-spots is another feature of this pump. All extra parts include and have an excellent fitting. At low speeds, the improved cooling gets supports from hot rodders and cruisers.

It works as an excellent alternative to motorhome applications, towing, trucks, and marine as well as also light-duty racing. SBC water pump impeller provides opportunities for maximizing cooling capability.

Key Features:

  • For additional bearing support, it delivers the art T6 aluminum casting.
  • The length of this water pump is 5-5.8 Inch, as well as this heavy-duty aluminum water pump fits properly in small block chevy engines.
  • It has a curved vain short style pump impeller for maximizing pressure, flow, and equal distribution of the block to both sides.
  • With the help of short pulleys and V-belt drive, this water pump fits all S/B Chevys.
  • This SBC short water pump offers leak-proof operation with the help of a unique seal assembly.
  • This SBC water pump has 3/4 Inch ultra-duty bearings, and a 5/8 Inch fan pilot allows using the stock fans and spacers.
  • It has a precision high flow impeller for maximum cooling capability, facilitates equal flow for both cylinder banks.


  • This water pump is easy to set up.
  • The user suffers no problem to set up.
  • This chevy water pump is reliable.
  • This water pump provides an excellent fit and finish.
  • It offers good instruction or manual as well as value.


  • It increases the efficiency of the water pump.
  • It has a 5/8 inch fan pilot.

ACDelco 252-595 Professional Water Pump Kit for Chevy 350 small block.

The pump comes with gaskets, but no hardware. Also, the pump is a raw casting without any paint. This water pump works perfectly and fits for any SBC gen 1 engine that takes a long version pump. It will also work for Chevy 350 small block. This ACDelco 252-595 is a long style pump, if you can almost fit your fingers between the back of the existing pump and the timing cover it will work.

6. ACDelco 252-595 Professional Water Pump Kit

This water pump fits GM vehicles as well as a wide range of non-GM vehicles.

Are you Looking for Water Pump For 6.0 PowerStroke?

If you own a 6.0 Powerstroke Engine , upgrade your water pump and replace with OEM 6.0 Powerstroke Water Pump

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Water Pump Types:

Water pumps are of two types. These are the centrifugal water pump and positive displacement. The function of this water pump is continuously moving water from one place to another. Centrifugal water pumps use a rotating impeller for pressurizing the discharge flow and moving water into the pump.

Positive displacements water pumps provide a fixed amount of flow. Older model vehicles mostly outfit or used with an air cooling system. But nowadays, the modern model vehicle offers a liquid cooling system. In the entire running of a liquid-cooled vehicle, a centrifugal water pump uses to circulate water.

Small Block Chevy Long Water Pump vs. Small Block Chevy Short Water Pump:

The main difference between a small block chevy long and short water pump is in their height on their mounting surface to their hub surface.

The small block chevy long water pump was typically used in 1969 and later model passenger cars and light-duty trucks while the small block chevy short water pump was used most commonly in 1968 and earlier models.

The SBC long water pump is taller than the SBC short water pump. The length of the SBC long water pump about six and seven-eighths of an inch tall from that to the hub, whereas the SBC short water pump about five and five-eighths of an inch from the mounting service to the hub surface.

The gap between the main body block and the front of the engine has a larger two fingers gap in the long water pump; on the other hand, a very narrow gap remains in the short water pump.

On the contrary, the long water pump use in light-duty trucks from 1973 to 1986, short water pump use from 1955 t0 1972. Source

From 1969 onwards, the vehicle uses mostly the long water pump, and it is the most common water pump, whereas 1968 in the previous model year used the short water pump. The gap between the front of the main body and the engine block has a very narrow gap of the short water pump; on the other hand, the larger two fingers with gap remains in the long water pump. Source

Corvette applications were present on the short water pump, where is in comparison, the long type water pump has not corvette application because of a radiator clearance issue. Source

Water Pump for 7.3 Powerstroke

Best Water Pump for 7.3 Powerstroke

If you have a vehicle with the 7.3 Powerstroke Check our Best Water Pump for 7.3 Powerstroke – Top Rated Product Reviews

Stewart water pump:

Stewart water pump is one of the top choices for professional and amateur engine builders for over 25 years. Stewarts is an industry leader. It offers high performance automotive cooling system development and research.

Stewart water pump is the best choice from the street rod level car to the professional race cars. This water pump is recently developing the electric water pump’s upgrade generation, high efficiency advanced mechanical and cooling system components.  It provides a more efficient impeller.

EMP Stewart water pump facilitates larger flow passages as well as high-strengths castings. Stewart components unitize advanced product development and engineering.

SBC aluminum long water pump:

SBC aluminum long type water pump contains light-weight aluminum. This water pump only uses in the street. It is not suitable for serious racing that exceeds 5500 RPM. This water pump has 3/4 Inch bearings. For leak-proof operation, this pump provides a unique seal assembly.

It includes an impeller with a curved vain for maximizing the pressure, flow, and equal distribution to both sides of the block. This pump’s distance from the block to the hub is 7.38 inches. It has an o. 63-inch pilot shaft diameter. This water pump has regulations for power steering mount. Source

SBC Long water pump:

SBC long water pump is a high volume water pump. It contains ultra-lightweight aluminum with heavy-duty. It includes gaskets and has standard rotation. IT has reduced cavitation and water flow at high RPMs. It has a 3/4 inch large bearing with a 5/8 inch shaft.

The pump clears most blower drives and belt drives. This high volume long water pump flows more up to 40 percent than the stock pumps. This pump dissipates more heat than regular OEM iron pumps. It includes custom machine impeller and high-quality roller bearings.

SBC high flow water pump:

SBC high flow aluminum water pump has a high volume flow. It is an electric water pump that facilitates with LWP Pulleys. This water pump also enables mounting hardware. The materials of this water pump are aluminum. This pump is a thirty-five GPM electric water pump. It contains baking plate gaskets.

It includes a small block chevy engine. It has twelve inches connector wire.

Performance water pump:

A performance water pump helps the engine to stay cool. The material of this pump is aluminum; as a result, it is lightweight. The performance water pump includes an impeller and internal passage for increasing the coolant flow.

This water pump has stronger, thicker shafts and flanges and larger bearings for handling the stress. For preventing leaks and ensuring reliability, it uses upgraded sealing.

SBC high flow short water Pump:

SBC high flow short water Pump fits in the small block chevy. This SBC pump is a mechanical type. The finishing of this water pump is polished. This aluminum water pump SBC has heavy-duty bearings. It contains high-quality aluminum materials.

It provides standard rotation. It provides up to more than 40 percent coolant flow giving real performance value for the dollar. As the material of this water pump is aluminum, it reduces the pump’s weight and front.

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Who makes the best water pump?

The best and high-quality water pump made by ACDelco. And Heavy duty water pump made by SumpMarine.

Will a 4.3 water pump work on a 350?

The 4.3 water pump will work for a small block chevy on a 350 water pump. This 4.3 water pump has 350 with two cylinders.

How do I know if my SBC has a short or long water pump?

You can measure a long water pump with your hand. Fitting your hand between the water pump and if it blocks the pump or has two fingers with a gap between the front of the engine block and the main body, it is an SBC long water pump. A long water pump measures at about six and seven-eighths of an inch. The most vehicle applications from 1969 onwards use the long version water pump.

Are high flow water pumps worth it?

High flow water pump results in cooler valves, better cooling, and rounder cylinders, etc. A high flow water pump helps moving coolant faster as well as it increases flow. For a better cooling system, higher pressure and higher flows are necessary. In expanding the heat rejection from the radiator, higher flow rates help. It also raises the fluid boiling point. The high flow water pump makes you wonder by helping with overheating. The increased airflow can have an indirect impact on horsepower. If you are looking for additional ways to increase horsepower, a cam for SBC is also an excellent option.

Are BBC and SBC water pumps the same?

BBC water pump is a long design water pump, and the SBC water pump is a short design water pump. To both cylinder banks, both water pumps have an equal flow rate. BBC water pump has 3/4 inch heavy-duty bearings, and the SBC water pump also has 3/4 Inch ultra-duty bearings. Both are aluminum water pump and have a higher pressure rate and flow rate. BBC motor cannot fix on SBC motor. Because SBC is a short water pump and there have not enough space to fit the BBC water pump.

What is the Difference Between Mechanical and Electric Water Pumps?

Mechanical SBC water pumps are driven by a belt, while electric SBC water pumps are powered by an electric motor. The former requires engine power, while the latter is independent. Mechanical SBC water pumps are more efficient at high RPMs and provide consistent flow, while electric SBC water pumps are more energy-efficient, produce less heat, and offer better control over engine temperature.

What is the best brand of the water pump?

• Demotor Performance. • Kernel. • Tuff Stuff. • Crompton. • Speedway Motors. • Kirloskar. • Flash power. • CVR Performance.

How do I know if my water pump is in the reverse rotation?

Reverse rotation can destroy a centrifugal pump. Backward rotation damages the components of the parts like seals or bearings. In just a few seconds, it also can spin off the acorn nut and the impeller. Most of the pump does not work in the reverse rotation.

Is an Electric Water Pump Better than a Mechanical Water pump?

It depends on the specific needs and preferences of the user. Electric water pumps are generally more efficient and offer better control, while mechanical water pumps are simpler and better suited for high RPMs.

What is the difference between a long and short Chevy water pump?

The main difference between a long and short chevy water pump is their height on their mounting surface to their hub surface. The taller pump is a long water pump, and its length is about six and seven-eighths of an inch, while the shorter pump is a short water pump, and its size is about five and five-eighths of an inch.

Can a water pump run backwards?

A water pump can run backward. After running backward, it can move water and flow through the water pump in a normal direction. A running water pump offers a lower flow at a lower pressure. This pump expends less electricity.

What is the difference between a Vortec 350 and a regular 350?

Vortec 350 degrees utilize a 72 degree bolt angle, whereas the regular 350 makes a 90-degree intake bolt angle.

Do Fel Pro water pump gaskets need sealant?

Most of the Fel-pro water pump gasket does not need sealant. This water pump does not require sealant because of its design. But in some cases, it needs a gasket to fill gaps and mate gaskets. If a flange becomes very uneven, the water pump gasket needs sealant.

How many GPM is a SBC Water Pump?

The flow rate of a mechanical SBC water pump typically ranges from 35-50 gallons per minute (GPM), depending on the specific model and engine configuration.

How many GPM is a SBC Electric Water pump?

The flow rate of an electric SBC water pump varies widely depending on the specific model and brand, but typically ranges from 20-45 GPM.

What are the advantages of an electric water pump?

  1. Energy-efficient: Electric water pumps are more energy-efficient than mechanical water pumps because they only consume power when needed, rather than running constantly.
  2. Better control: Electric water pumps allow for better control over the engine temperature, as they can be easily adjusted to meet specific cooling requirements.
  3. Improved reliability: Electric water pumps have fewer moving parts than mechanical water pumps, which reduces the likelihood of failure and improves overall reliability.

What are the disadvantages of an electric water pump?

  1. Cost: Electric water pumps are typically more expensive than mechanical water pumps, which may make them less accessible to some users.
  2. Electrical requirements: Electric water pumps require an electrical connection, which may not be feasible for all engine configurations.
  3. Maintenance: Electric water pumps require more frequent maintenance than mechanical water pumps, as the electrical components can be susceptible to damage and wear over time.

Should I use Permatex on a water pump gasket?

Permatex is the automotive repair solutions center. It facilitates with a wide range of adhesives, lubricants, gasket makers, cleaners, thread lockers, repair kits, hand cleaners, and especially repair products helping you getting job properly.

Should I use the RTV water pump gasket?

RTV can work as a lubricant and helps the rubber gasket slipping out of the split and place. It creates an opportunity for leaking. This gasket installs in a dry and clean surface. This intake manifold gasket does not need an additional gasket.

Does an SBC oil pump need a gasket?

An SBC oil pump does not need any gasket or anything. It just has to put together. This water pump is usually flat and nice machined.


I have thoroughly explained almost all the advanced features, specifications, and benefits of the best SBC water pump.

But still, if you have any queries about the SBC water pump, feel free to ask. Even if there have any missing information, please let me know—all the best for your journey with the best SBC water pump.

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