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Best Heads For 406 Sbc (2025 Updated)

If you’re looking for ways to upgrade your vehicle’s performance, investing in quality engine heads is a great option. One of the most popular options in the market is the heads for 406 sbc. These heads have been designed to enhance the performance of a car with a small block Chevy engine (SBC).

Before buying heads for 406 sbc, there are several factors that you need to consider. First and foremost, you must match the heads with the intake manifold and exhaust system to get the best performance. Additionally, you need to check the valve diameter, material used in the construction, and combustion chamber size. Purchasing heads that match your car’s specifications and needs is crucial to achieving the desired outcome.

Some questions that might be racing through your mind right now could be: Are these heads really worth it? How do they compare to other options? What kind of performance improvement will I see after installing them? If you’re looking to find out the answers to these questions and improve your vehicle’s performance, investing in heads for 406 sbc is worth considering. The right set of engine heads can increase horsepower, improve torque, and enhance overall performance while making your driving experience more enjoyable.

10 Best Heads For 406 Sbc

# Product Image Product Name Product Notes Check Price
1
The product is ideal for improving the performance and power output of a specific type of vehicle engine.
2
Ideal for enhancing engine performance and increasing horsepower in small block Chevy engines.
3
This product is ideal for improving engine performance and increasing horsepower in small block engines.
4
This product is ideal for high performance small block Chevy engines with straight plug configuration.
5
The product is ideal for outdoor activities and everyday carry due to its durability and manual opening mechanism.
6
The product is ideal for retrofitting commercial toilets with a reliable and accurate flushing system.
7
The product is ideal for pumping waste from toilets, sinks, and laundry machines while saving money.
8
This product is ideal for cleaning carpets and area rugs with a hand attachment and floor tool accessory.
9
This product is ideal for replacing vacuum cleaner floor brush heads with both on floor and carpet functions.
10
This product is an OEM idler arm return spring that is suitable for use with lawn tractors.
The product is ideal for improving the performance and power output of a specific type of vehicle engine.
Ideal for enhancing engine performance and increasing horsepower in small block Chevy engines.
This product is ideal for improving engine performance and increasing horsepower in small block engines.
This product is ideal for high performance small block Chevy engines with straight plug configuration.
The product is ideal for outdoor activities and everyday carry due to its durability and manual opening mechanism.
The product is ideal for retrofitting commercial toilets with a reliable and accurate flushing system.
The product is ideal for pumping waste from toilets, sinks, and laundry machines while saving money.
This product is ideal for cleaning carpets and area rugs with a hand attachment and floor tool accessory.
This product is ideal for replacing vacuum cleaner floor brush heads with both on floor and carpet functions.
This product is an OEM idler arm return spring that is suitable for use with lawn tractors.

1. Edelbrock 5089 Cylinder Head

Upgrade your engine's performance with this complete pair of hydraulic flat tappet. With a combustion chamber volume of 64cc, it can handle high compression ratios and deliver more power. The 2.02cc intake and 60cc exhaust runner volume ensures efficient airflow and improved engine breathing. Its 2.02 in. intake and 1.6 in. exhaust valve diameter provides better intake and exhaust flow, resulting in increased horsepower and torque. The 0.562 in. deck thickness adds durability and strength to the engine block, ensuring longevity and reliability. This complete pair is a great investment for any engine builder looking to improve their engine's performance.

Pros

  • 64cc combustion chamber volume can handle high compression ratios and deliver more power
  • 2.02cc intake and 60cc exhaust runner volume ensures efficient airflow and improved engine breathing
  • 2.02 in. intake and 1.6 in. exhaust valve diameter provides better intake and exhaust flow, resulting in increased horsepower and torque
  • 0.562 in. deck thickness adds durability and strength to the engine block, ensuring longevity and reliability
  • Great investment for any engine builder looking to improve their engine's performance

2. Air Flow Research Eliminator Comp Aluminum Cylinder Head Sbc 2 Pc P/n 1065

The AIR FLOW RESEARCH Eliminator Comp Aluminum Cylinder Head is a high-performance cylinder head designed for small block Chevy engines. This 2-piece cylinder head has a part number of 1065 and is made with the latest technology and materials to deliver superior performance.

Designed with a 23-degree valve angle and 180cc intake runner volume, this cylinder head is engineered to provide maximum airflow and power. It features a unique combustion chamber design that promotes efficient combustion and reduces detonation, allowing for higher compression ratios.

The AIR FLOW RESEARCH Eliminator Comp Aluminum Cylinder Head is made from high-quality aluminum alloy and has a CNC-machined finish for precision and durability. It also features hardened exhaust seats and bronze valve guides for extended service life.

This cylinder head is compatible with both hydraulic and solid lifter camshafts and has a maximum lift of .650 in. It also has a standard 4-bolt intake pattern and is compatible with most aftermarket intake manifolds.

Overall, the AIR FLOW RESEARCH Eliminator Comp Aluminum Cylinder Head is an excellent choice for those looking for a high-performance cylinder head that delivers maximum power and efficiency.

Pros

  • Features a 23-degree valve angle and 180cc intake runner volume for maximum airflow
  • Unique combustion chamber design promotes efficient combustion and reduces detonation
  • Made from high-quality aluminum alloy and has a CNC-machined finish for precision and durability
  • Compatible with both hydraulic and solid lifter camshafts
  • Has a maximum lift of .650 in and is compatible with most aftermarket intake manifolds

3. Flo-Tek Heads 101-505 Engine Cylinder Head (Cylinder Head Sbc Angle Assembled)

The product comes in a package with dimensions of 19.75 L x 5 H x 7.5 W (inches) and weighs 22 pounds. It is made in China and the part number is 101-505.

The package is sturdy and ensures that the product is delivered in good condition. The weight of the package is manageable and easy to carry.

The country of origin is China, which has a reputation for manufacturing quality products in various industries.

The part number 101-505 makes it easy to identify the product and order replacement parts if necessary.

Pros

  • The package dimensions ensure that the product is delivered in good condition
  • The weight of the package is manageable and easy to carry
  • The country of origin is known for manufacturing quality products
  • The part number makes it easy to identify the product

4. Aluminum Chevy Head – High Performance Assembled

This auto part is made in the United States and comes in a package quantity of 1. It has a package dimension of 24.1 inches in length, 10.7 inches in width, and 8.6 inches in height, making it easy to install and store. The part is made with high-quality materials, ensuring durability and longevity. It is designed to meet or exceed OEM specifications, providing reliable performance and a perfect fit for your vehicle. Whether you're a professional mechanic or a DIY enthusiast, this auto part is an excellent choice for your repair or maintenance needs.

The auto part is easy to install and comes with all the necessary hardware for a hassle-free installation. It is also backed by a manufacturer's warranty, giving you peace of mind and protection against any defects or malfunctions. With its superior quality and performance, this auto part is sure to meet your expectations and exceed your standards.

Pros

  • Made in the United States
  • High-quality materials ensure durability and longevity
  • Meets or exceeds OEM specifications for reliable performance and a perfect fit
  • Easy to install and comes with all necessary hardware
  • Backed by a manufacturer's warranty for peace of mind

5. Zero Tolerance 0223, Designed By Tim Galyean, Edc Manual Opening Knife, Green, 3.5 Inch

The knife features a high-quality blade made of CPM 20CV steel, which is known for its excellent toughness and edge retention. The blade has also been coated with DLC for added durability and corrosion resistance.

The handle is made of titanium and features an earth brown G10 overlay, providing a comfortable and secure grip. Additionally, the handle has also been coated with DLC to prevent scratches and wear.

The knife uses a frame lock mechanism with a steel insert for added strength and security. It also features a manual open design and a KVT ball-bearing system for smooth and easy deployment.

This knife is proudly made in the USA, ensuring the highest level of craftsmanship and quality.

Pros

  • High-quality CPM 20CV steel blade for excellent toughness and edge retention
  • DLC coating on blade and handle for added durability and corrosion resistance
  • Comfortable and secure grip with earth brown G10 overlay
  • Frame lock mechanism with steel insert for added strength and security
  • Smooth and easy deployment with KVT ball-bearing system
  • Proudly made in the USA with superior craftsmanship and quality

6. Zurn Zerk-Cpm Aquasense E-Z Flush® Retrofit Kit With Metal Cover, Chrome

Upgrade the hygiene and sanitation of your bathroom with this touchless sensor technology. It replaces handle-operated manual flush valves and eliminates the need for touch points. The installation process is quick and easy, taking less than 3 minutes. This product is multi-purposed and can fit urinals and water closets from Zurn and other manufacturers. It has a highly durable and modern chrome-plated metal finish. The adjustable sensor range delivers flexibility to any bathroom environment, and the consistent water flow from reliable motor gear driven operations ensures reliable performance. Additionally, the manual override button delivers on-demand flushing for added convenience.

Improve the hygiene and sanitation of your bathroom with this touchless sensor technology. It is designed to replace handle-operated manual flush valves and eliminate touch points, increasing safety and reducing the spread of germs. The installation process is quick and easy, taking less than 3 minutes. This product is multi-purposed and can fit urinals and water closets from Zurn and other manufacturers. It has a highly durable and modern chrome-plated metal finish. The adjustable sensor range delivers flexibility to any bathroom environment, and the consistent water flow from reliable motor gear driven operations ensures reliable performance. Additionally, the manual override button delivers on-demand flushing for added convenience.

Upgrade your bathroom's sanitation with this touchless sensor technology. It replaces handle-operated manual flush valves and eliminates the need for touch points, reducing the spread of germs. The installation process is quick and easy, taking less than 3 minutes. This product is multi-purposed and can fit urinals and water closets from Zurn and other manufacturers. It has a highly durable and modern chrome-plated metal finish. The adjustable sensor range delivers flexibility to any bathroom environment, and the consistent water flow from reliable motor gear driven operations ensures reliable performance. Additionally, the manual override button delivers on-demand flushing for added convenience.

Pros

  • Eliminates touch points for improved hygiene and sanitation
  • Quick and easy installation process
  • Multi-purposed to fit various urinals and water closets
  • Highly durable and modern chrome-plated metal finish
  • Adjustable sensor range delivers flexibility to any bathroom environment
  • Consistent water flow from reliable motor gear driven operations
  • Manual override button delivers on-demand flushing for added convenience

7. Powerful 500w Upflush System For Ultimate Convenience

Upgrade your bathroom with the fully automated and powerful Macerating Toilet Pump. Its 500W macerator motor operates quietly and is triggered by flushing. The pump contains tough stainless steel impeller blades that chop waste into ultra-fine pieces, allowing them to be easily discharged through tiny pipework back to the existing sewer connection.

With four water inlets, you can connect your toilet, washbasin, shower, and bathtub altogether to create a bathroom where conventional drainage would be too expensive to consider. The pump can pump up to 22.9 ft vertically and 229 ft horizontally with its 500Watt motor, allowing you to create a wet area anywhere you want.

You can rely on the Macerating Toilet Pump's customer support. The brand stands behind their product and is ready to assist in case of installation or machine issues. They guarantee to solve any issues within 24 hours.

Pros

  • Fully automated operation triggered by flushing
  • Quiet and powerful 500W macerator motor
  • Tough stainless steel impeller blades that chop waste into ultra-fine pieces
  • Four water inlets for connecting multiple sanitary devices
  • Long pumping distance up to 22.9 ft vertically and 229 ft horizontally
  • Reliable customer support that guarantees issue resolution within 24 hours

8. Miele Cleanrug – Turbo Hand & Floor Tool Accessory

Make your Miele vacuum more effective and efficient with the Splinova premium turbo brush replacement. This turbo brush is compatible with all Miele makes and models and will fit any attachment wand or hose for the brand. However, it will not fit other standard 1.25in vacuum fitting attachments. The nylon rotating brushes are soft yet durable, allowing debris to enter the tool easily while providing the best performance and longer-lasting potential. The Splinova turbo brush moves with ease across low plush carpets, pivoting and pushing on stairs and area rugs, making it easier to clean than ever before. Plus, it is affordably priced, costing less than half of genuine Miele products. Don't waste your money on brand names when you can get the better, more affordable choice. Splinova also offers a 6-month warranty for hassle-free use and peace of mind.

Pros

  • Compatible with all Miele makes and models
  • Fits any attachment wand or hose for the brand
  • Nylon rotating brushes are soft yet durable
  • Moves with ease across low plush carpets, pivoting and pushing on stairs and area rugs
  • Affordably priced
  • Comes with a 6-month warranty

9. Versaclean Floor & Carpet Vacuum Head

Upgrade your vacuum cleaning experience with this high-quality brush accessory. Designed to fit all vacuum brands with a standard 1.25" (32mm) inner diameter, this brush is a must-have for any home cleaning arsenal. The brush features a flexible hose neck and smooth rolling wheels, making it easy to maneuver in tight spaces and around furniture. The brush head is dual-purpose, with two models for cleaning both floors and carpets. The bristle base is perfect for hard floors, while the metal base is ideal for carpets. Made with PP hair, this brush is gentle on floors and furniture, ensuring they are well taken care of while cleaning.

Efficiently clean all the nooks and crannies of your home with this versatile vacuum brush. Its high-quality design and dual-purpose brush head make it a reliable tool for keeping your floors and carpets looking their best. The brush is easy to use and fits most vacuum brands, so you can start using it right away.

Keep your home looking its best with this high-quality vacuum brush. Its flexible hose neck and smooth rolling wheels make it easy to use, while its dual-purpose brush head ensures you can clean both carpets and hard floors with ease. Made with PP hair, this brush is gentle on floors and furniture, so you can use it with confidence knowing your home is in good hands.

Pros

  • Fits all vacuum brands with a standard 1.25" inner diameter
  • Dual-purpose brush head for cleaning floors and carpets
  • Flexible hose neck and smooth rolling wheels for easy maneuverability
  • Made with PP hair that is gentle on floors and furniture

10. Husqvarna Lawn Tractor Spring: Genuine Oem Part

Upgrade your lawn tractor's performance with this high-quality idler arm return spring. Designed to fit a range of models, including Craftsman, Ariens, Poulan, Southern States, and Murray, this manufacturer substitution part is a functional equivalent to prior parts, including 532401971. Although it may differ in appearance, it is a genuine original equipment manufacturer (OEM) part that provides the same reliable performance you expect from your lawn tractor.

This idler arm return spring (part number 401971) is easy to install, but it is recommended to wear work gloves to protect your hands during installation. Compatible with a wide range of models, including 96042001600, PB2042YT, 917254800, 917254801, PP175G42-96046007600, 917223980, 917289106, 917289105, 96043027400, 917289104, 917289103, YTH18542-960430172, 917288260, YTH1842-917223810, 917256791, 96046000200, 917256790, 917254130, 917254131, 96042002700, 96046007500, A195BG42, PB22H42YT, YTH22V42-96043017301, 917289362, 917289361, 917289360, PP155A42-96042018300, 917288150, 917253270, 917256780, 917250220, 917250221, 917250222, YS4500 917287220, 917288122, 917288123, and more.

Invest in this idler arm return spring today to make sure your lawn tractor is functioning at its best and keep your lawn looking great!

Pros

  • Compatible with a wide range of lawn tractor models
  • Genuine OEM part ensures reliable performance
  • Easy to install
  • Functional equivalent to prior parts
  • High-quality construction for long-lasting use

Cons

  • – May differ in appearance from original part

Best Heads For 406 Sbc FAQs

Are aluminum heads better than cast iron for a 406 sbc engine?

The decision between aluminum and cast iron heads for a 406 sbc engine depends on several factors. Aluminum heads are lighter, which can improve performance by reducing the overall engine weight. They also dissipate heat better, which can improve engine durability and reduce the risk of overheating. Additionally, aluminum heads can increase horsepower due to their superior airflow capabilities.

On the other hand, cast iron heads are more durable and can withstand higher compression ratios, making them better suited for high-performance engines. They are also more cost-effective compared to aluminum heads.

Ultimately, the choice between aluminum and cast iron heads for a 406 sbc engine comes down to personal preference and the specific needs of the engine. If you are looking for improved performance and are willing to pay a premium for lightweight and efficient heads, then aluminum heads may be a better choice. However, if durability and cost-effectiveness are your top priorities, then cast iron heads may be the way to go.

Can I use stock heads on a 406 sbc engine?

Yes, you can use stock heads on a 406 sbc engine. However, it is important to note that the performance of the engine may be limited by the stock heads. If you are looking to achieve maximum power and performance, it may be beneficial to invest in aftermarket heads that are designed specifically for your engine. These heads are typically designed to flow more air and fuel, which can result in increased horsepower and torque. Additionally, aftermarket heads may also have stronger construction and better cooling capabilities, which can extend the life of your engine. Ultimately, the decision to use stock heads or aftermarket heads will depend on your specific goals for your engine and your budget. It is important to do your research and consult with a knowledgeable mechanic or engine builder before making any modifications to your engine.

What are the best heads for a 406 sbc engine?

When it comes to choosing the best heads for a 406 sbc engine, there are a few factors to consider. Firstly, it's important to determine the intended use of the engine, as this will impact the type of heads that are most suitable. For street use, heads with a smaller intake runner and larger exhaust runner may be the best choice, whereas for racing applications, heads with larger intake runners and smaller exhaust runners may be more appropriate.

Some of the top heads for a 406 sbc engine include the AFR 210cc heads, the Dart Pro 1 215cc heads, and the Trick Flow High Port 240cc heads. These heads offer excellent flow and performance, and are designed to work well with a range of camshaft profiles and other engine components.

Ultimately, the best heads for a 406 sbc engine will depend on a range of factors, including the engine's intended use, budget, and specific performance goals. Working with a knowledgeable engine builder or performance specialist can help ensure that you choose the right heads for your specific needs.

What is the recommended compression ratio for a 406 sbc engine with aftermarket heads?

The recommended compression ratio for a 406 sbc engine with aftermarket heads can vary depending on a number of factors. Generally speaking, a compression ratio in the range of 10:1 to 11:1 is often recommended for this type of engine setup. However, it is important to note that the ideal compression ratio will depend on a variety of factors, including the specific components used in the engine, the intended use of the vehicle, and the fuel being used. It is recommended that anyone building an engine with aftermarket heads consult with a professional engine builder or tuner who can help them determine the optimal compression ratio for their specific setup. Additionally, it is important to ensure that the engine is properly tuned and that all components are working together in harmony in order to achieve optimal performance and reliability.

What size valves should I use on my 406 sbc heads?

The size of valves you should use on your 406 sbc heads depends on a variety of factors such as your engine's intended use, camshaft specifications, and cylinder head design. Generally speaking, larger valves will allow for increased airflow and improved performance, but can also result in decreased low-end torque and potentially compromised valve seat durability.

For a high-performance street or strip engine, valve sizes in the range of 2.02 inches for the intake and 1.60 inches for the exhaust are often recommended. However, if your engine will be used mainly for street driving or has a milder camshaft, smaller valve sizes may be more appropriate. It's important to consult with a knowledgeable engine builder or cylinder head specialist to determine the optimal valve size for your specific build.

In addition to valve size, other factors such as valve material, shape, and seating angle can also affect engine performance. It's important to consider all of these factors when selecting valves for your 406 sbc heads to ensure that you achieve the best possible performance and reliability.

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