Have you ever heard that rumble of a classic American V8 engine and felt a thrill run down your spine? For many gearheads, that iconic sound comes from a Chevrolet 350 engine. But even the heart of a beast needs a strong pulse, and that’s where the cylinder heads come in. If you’re looking to upgrade your 350 Chevy, choosing the right heads can feel like navigating a maze. There are so many types, brands, and features, it’s easy to get lost and make a choice you’ll later regret.
Many people struggle with this decision because they don’t know where to start. They worry about picking heads that won’t perform well, cost too much, or just won’t fit their specific needs. This can lead to frustration and wasted money. But what if we told you there’s a way to cut through the confusion and find the perfect 350 Chevy heads for your project?
In this post, we’re going to break down everything you need to know about 350 Chevy heads. We’ll explain what they do, why they are so important, and what to look for when you’re shopping. By the time you’re done reading, you’ll have the knowledge to confidently choose the heads that will make your 350 sing. Let’s dive in and unlock the true potential of your engine!
Our Top 5 350 Chevy Heads Recommendations at a Glance
Top 5 350 Chevy Heads Detailed Reviews
1. Woosphy 2x Complete Cylinder Head Assy Aluminum Replacement for Chevy SBC 350/327/383 Corvette Camaro Z06 190cc 64cc 129006601
Rating: 8.8/10
Looking to give your Chevy SBC engine a serious power boost? The Woosphy 2x Complete Cylinder Head Assy is designed to do just that. This set of two aluminum cylinder heads is a direct replacement for popular Chevy engines like the 350, 327, and 383, found in iconic cars like the Corvette and Camaro Z06. With a 190cc intake runner volume, these heads help your engine breathe better, letting in more air and fuel for a more powerful explosion. The 64cc combustion chamber is optimized for performance, giving you that extra punch you’ve been looking for. Built from strong aluminum, these heads are also lighter than traditional cast iron ones, which can improve your vehicle’s overall performance.
What We Like:
- Enhanced Performance: The 190cc intake runners and 64cc combustion chambers are designed to significantly improve your engine’s power and efficiency.
- Durable Aluminum Construction: These heads are made from high-quality aluminum, making them lighter and more resistant to heat than older cast iron heads.
- Direct Replacement: They are engineered to fit Chevy SBC 350, 327, and 383 engines, simplifying the installation process.
- Complete Assembly: You get a set of two complete cylinder heads, ready for installation.
- Cost-Effective Upgrade: This is a great way to upgrade your engine’s performance without breaking the bank.
What Could Be Improved:
- Installation Complexity: While a direct replacement, installing cylinder heads can still be a complex job that may require specialized tools and knowledge.
- Specific Fitment: While they fit many SBC engines, always double-check your specific engine model to ensure perfect compatibility.
If you’re aiming for a noticeable improvement in your Chevy SBC engine’s performance, this Woosphy cylinder head assembly is a solid choice. It offers a great balance of power, durability, and value.
2. Auto Dynasty Aluminum Bare Cylinder Head Compatible with Chevy Small Block 302/327/350/383/400 SBC 200cc Intake 68cc Chamber
Rating: 8.6/10
Upgrade your Chevy small block engine with the Auto Dynasty Aluminum Bare Cylinder Head. This pack of two heads is designed for a range of popular SBC engines, including the 302, 327, 350, 383, and 400. They are compatible with Chevy small block engines made up to 1986. These heads help boost your engine’s power and efficiency.
What We Like:
- These heads are much lighter than iron ones. Each one weighs only 10.33kg, making installation easier.
- They feature a 200cc intake runner. This helps your engine breathe better and produce more power.
- The 68cc combustion chamber and square ports are designed for efficient airflow. This means your engine will run smoother and perform better.
- The 3-angle valve seat and straight spark plug angle improve performance and efficiency.
- They maintain stock compression for 1970 and earlier models, which is great for classic builds.
What Could Be Improved:
- These heads are not compatible with Vortec style intake manifolds. You will need to make sure your intake manifold will work with them.
These Auto Dynasty cylinder heads offer a significant performance upgrade for your Chevy small block. They provide a great balance of power, efficiency, and weight savings for your project.
3. VEVOR Engine Cylinder Head Assembly Replacement
Rating: 8.8/10
If your classic Chevrolet is showing signs of engine distress, like shaky performance or oil leaks, the VEVOR Engine Cylinder Head Assembly Replacement is a strong contender for bringing it back to life. This kit is designed specifically for small block Chevrolet engines found in popular models like the Corvette, Camaro, and Z06, covering common displacements such as the SBC 327, 350, and 383.
What We Like:
- Perfect Fit: This cylinder head is engineered to directly replace your original, solving common failure and damage issues for a smoother engine.
- Precise Manufacturing: CNC machining ensures exact dimensions for all passages and components, leading to better airflow and a secure seal.
- Long Service Life: Built with strong aluminum alloy, it resists impact and wear, dissipates heat well, and includes durable valve guides and seats to keep your engine running stable.
- Fully Assembled: It arrives ready to go with all the necessary parts like springs, valves, and seals, making installation simpler and reducing errors.
- Efficient Solution: This head can fix common problems like vibrations and oil leaks, while also boosting horsepower, improving gas mileage, and lowering emissions.
What Could Be Improved:
- Installation requires a clean environment and is best handled by a professional, which might add to the overall cost for some DIYers.
This VEVOR cylinder head assembly offers a reliable and efficient way to restore your small block Chevrolet engine’s performance. It’s a smart upgrade for enthusiasts looking to get the most out of their classic rides.
4. DNA Motoring CYLH-SBC-350 Aluminum Bare Cylinder Head Compatible with Chevy SBC 302/327/350/383/400
Rating: 9.0/10
Upgrade your classic Chevy small-block engine with the DNA Motoring CYLH-SBC-350 Aluminum Bare Cylinder Head. This high-performance head is designed to boost your engine’s power and efficiency. It’s made from strong, lightweight aluminum, making it a great alternative to heavier iron heads. This cylinder head fits many popular Chevy SBC engines from 1986 and earlier, including the 302, 327, 350, 383, and 400 models.
What We Like:
- Lightweight Design: Made from aluminum, these heads weigh significantly less than iron heads, which can improve your vehicle’s handling and performance. Each head weighs only 10.33kg.
- Improved Airflow: The advanced port design and larger intake valves (2.020 inches) allow more air into your engine, leading to greater power.
- Enhanced Performance: The 68cc combustion chambers help improve performance, especially on 1970 and earlier engines, while maintaining stock compression ratios.
- Durable Construction: Features high-grade aluminum, bronze valve guides, and hardened seats for long-lasting reliability.
- Precise Fitment: Designed to fit Chevrolet SBC 302, 327, 350, 383, and 400 engines made in 1986 and earlier.
- 3-Angle Valve Seat: This feature helps create a better seal for improved engine performance and efficiency.
What Could Be Improved:
- Bare Head: This is a bare cylinder head, meaning you will need to purchase valves, springs, and other components separately.
- Specific Fitment Years: The fitment is limited to engines manufactured in 1986 and earlier, which may not suit newer SBC builds.
- Square Ports: While designed for airflow, square intake and exhaust ports might require specific intake manifolds for optimal sealing and performance.
If you’re looking to give your classic Chevy small-block a significant power boost, these DNA Motoring cylinder heads are a solid choice. They offer a great blend of performance, weight savings, and durability for your engine build.
5. Flotek 101505 Aluminum Cylinder Head for Small Block Chevy
Rating: 9.1/10
The Flotek 101505 Aluminum Cylinder Head is a fantastic upgrade for your Small Block Chevy engine. It’s made of strong aluminum, which makes it lighter than iron heads. This head comes fully assembled with valves ready to go. The valve sizes, 2.020 inches for intake and 1.600 inches for exhaust, help your engine breathe better. With 180cc intake runners and a 64cc combustion chamber, it’s designed to boost performance.
What We Like:
- The aluminum construction makes it lighter, improving your car’s power-to-weight ratio.
- It comes assembled, saving you time and effort on installation.
- The larger valves improve airflow, leading to more horsepower and better engine response.
- The 180cc intake runners are a good size for many performance applications.
- The 64cc combustion chamber helps increase compression for more power.
What Could Be Improved:
- While good for many, the 180cc intake runners might be too small for extreme racing builds.
- Advanced tuners might prefer heads with more adjustability for custom camshafts.
This Flotek cylinder head offers a solid performance gain for your Small Block Chevy. It’s a smart choice for enthusiasts looking to enhance their engine’s capabilities.
Your Guide to Picking the Best 350 Chevy Heads
Picking the right cylinder heads for your 350 Chevy engine can make a big difference. It’s like choosing the right shoes for a big race – they help you perform your best! This guide will help you understand what to look for.
What to Look For: Key Features
When you shop for 350 Chevy heads, keep these important features in mind:
- Combustion Chamber Size: This is how much space is inside the head where the fuel and air mix. Smaller chambers can give you more power, but they need higher octane gas. Larger chambers are more forgiving with regular gas. Think about what kind of fuel you want to use.
- Valve Size: Bigger valves let more air and fuel into the engine and more exhaust out. This means more power. But, very big valves might not fit well with your engine’s pistons.
- Port Size and Shape: The ports are like tunnels for air and fuel. Smooth, well-shaped ports help the engine breathe better. This makes it run smoother and stronger.
- Bolt Pattern: Make sure the heads will bolt onto your engine block correctly. Most 350 Chevy heads use a standard pattern.
- Water and Oil Passages: Check that these are clear and properly placed. Good passages keep your engine cool and oiled.
What They’re Made Of: Important Materials
Most 350 Chevy heads are made from one of two materials:
- Cast Iron: These are the original heads. They are strong and can handle a lot of heat. They are also heavier than aluminum heads. Cast iron heads are a good choice for a budget-friendly build.
- Aluminum: Aluminum heads are much lighter than iron ones. This can help your car handle better. They also tend to cool down faster, which can prevent overheating. Aluminum heads usually cost more but can offer better performance.
What Makes Them Good or Not So Good: Quality Factors
Several things can affect the quality of 350 Chevy heads:
- Manufacturing Precision: How accurately the heads are made is very important. Good manufacturing means everything fits perfectly and works efficiently. Poorly made heads can cause leaks or performance issues.
- Porting and Polishing: Some heads come with improved ports. These are smoothed out and shaped to help air flow better. Professionally ported and polished heads usually perform much better.
- Valve Seat Quality: The valve seats are where the valves seal. Good quality seats ensure a tight seal, which is crucial for engine power and efficiency.
- Brand Reputation: Stick with well-known brands. Companies with a good history usually make reliable parts.
How People Use Them: User Experience and Use Cases
People use 350 Chevy heads for many reasons:
- Everyday Driving: If you want your car to run a bit better without spending a lot of money, a mild upgrade can be great.
- Performance Builds: For racing or showing off your car, you might choose heads with larger valves and better porting. These give you more horsepower.
- Restorations: If you are restoring an old Chevy, you might want to use heads that look like the original ones or offer a slight performance boost while keeping the classic look.
- Budget Projects: For those on a tight budget, a good set of used cast iron heads can be a smart and affordable choice.
Using the right heads can make your 350 Chevy engine feel like new, or even better!
Frequently Asked Questions about 350 Chevy Heads
Q: What is the most important feature to look for?
A: The most important feature is usually the combustion chamber size. It affects how much power you get and what kind of gas you need.
Q: Are aluminum heads always better than cast iron heads?
A: Not always. Aluminum heads are lighter and cool better. But cast iron heads are tougher and cheaper. It depends on what you need.
Q: Can I use any 350 Chevy heads on my engine?
A: You need to check the bolt pattern and make sure they will fit your engine block. Also, consider if the valve sizes are too big for your pistons.
Q: What does “porting and polishing” do?
A: It makes the air passages inside the heads smoother and better shaped. This helps the engine get more air and run stronger.
Q: How much do 350 Chevy heads usually cost?
A: Prices can change a lot. New aluminum heads can cost several hundred dollars. Used cast iron heads might be much less.
Q: Do I need special tools to install cylinder heads?
A: Yes, installing cylinder heads requires specific tools and knowledge. It is often best to have a mechanic do the job.
Q: What is “flow rate” and why does it matter?
A: Flow rate is how much air can pass through the head. Higher flow rate means the engine can breathe better and make more power.
Q: Can I mix and match parts from different brands?
A: It’s usually best to use parts that are designed to work together. Mixing brands can sometimes cause problems.
Q: What is a “runner volume” on a cylinder head?
A: Runner volume refers to the size of the intake and exhaust ports. Larger runners generally allow for more airflow, improving performance at higher RPMs.
Q: How do I know if my current heads need replacing?
A: Signs include engine misfires, loss of power, coolant leaks, or oil burning. A mechanic can help you diagnose if your heads are the problem.
In conclusion, every product has unique features and benefits. We hope this review helps you decide if it meets your needs. An informed choice ensures the best experience.
If you have any questions or feedback, please share them in the comments. Your input helps everyone. Thank you for reading.
I’m the recipe developer and food photographer behind Air Fryer at Tiffany’s. I’m also a wife, mom to two adventurous little boys, registered nurse, and live in the great Midwest. Join me as I show you new ways to use your air fryer that you never knew possible.