Imagine your classic Chevy rumbling down the road, the powerful V8 engine singing its song. But what if that engine isn’t quite hitting its full potential? The heart of that incredible sound, and the power you feel, lies in the cylinder heads. Choosing the right cylinder heads for your SBC 350 engine is like picking the perfect shoes for a marathon – the wrong ones can slow you down and cause all sorts of problems!
Many car enthusiasts face the same challenge: a dizzying array of choices for SBC 350 heads. It’s easy to feel overwhelmed. Do you need more horsepower? Better fuel economy? Or maybe a bit of both? Finding heads that match your driving style and budget can feel like a puzzle. You want to upgrade your engine, but you don’t want to waste money on something that won’t work well.
Don’t worry, we’re here to help! In this post, we’ll break down everything you need to know about selecting the best cylinder heads for your SBC 350. We’ll explore different types, explain what makes them work, and give you the knowledge to pick the perfect set. By the end, you’ll feel confident in your decision and ready to unlock the true power of your engine.
Our Top 5 Heads For Sbc 350 Recommendations at a Glance
Top 5 Heads For Sbc 350 Detailed Reviews
1. Woosphy 2x Complete Cylinder Head Assy Aluminum Replacement for Chevy SBC 350/327/383 Corvette Camaro Z06 190cc 64cc 129006601
Rating: 8.7/10
Looking to boost the power and performance of your classic Chevy engine? The Woosphy 2x Complete Cylinder Head Assy is a fantastic upgrade. This set of two aluminum cylinder heads is designed as a direct replacement for popular Chevy small-block engines like the 350, 327, and 383. They fit a wide range of vehicles, including the iconic Corvette and Camaro Z06. With a 190cc intake runner volume and a 64cc combustion chamber, these heads are engineered to improve airflow and combustion efficiency, giving your engine a noticeable power increase.
What We Like:
- Made from durable aluminum, these heads are lighter than stock cast iron heads, which can help improve your vehicle’s handling.
- The 190cc intake runners allow more air and fuel mixture into the engine, leading to more power.
- The 64cc combustion chambers are designed for good compression, which also helps with power output.
- This is a complete assembly, meaning it comes ready to install, saving you time and effort.
- It’s a direct bolt-on replacement for many Chevy SBC engines, making installation straightforward for many DIY mechanics.
What Could Be Improved:
- While they are a great upgrade, they might require other supporting modifications to get the most out of them.
- Some users might find the installation process a bit challenging if they are not familiar with engine work.
These Woosphy cylinder heads offer a significant performance upgrade for your Chevy SBC engine. They are a solid choice for anyone looking to enhance their classic muscle car’s power.
2. DNA Motoring CYLH-SBC-350 Aluminum Bare Cylinder Head Compatible with Chevy SBC 302/327/350/383/400
Rating: 8.6/10
Give your classic Chevy small-block engine a serious upgrade with the DNA Motoring CYLH-SBC-350 Aluminum Bare Cylinder Head. This bare head is designed for Chevrolet SBC 302, 327, 350, 383, and 400 engines built in 1986 and earlier. It’s made from high-grade aluminum, making it much lighter than traditional iron heads. This means better performance and easier handling during installation. The advanced port design helps air flow better, boosting your engine’s power.
What We Like:
- Lighter weight than iron heads, making installation easier.
- Made from high-grade aluminum for durability.
- Features bronze valve guides and hardened seats for longer life.
- Advanced port design improves airflow for better engine performance.
- 68cc combustion chambers help increase power, especially on older engines.
- Comes with a 3-angle valve seat for improved sealing.
What Could Be Improved:
- It’s a bare head, so you’ll need to purchase valves, springs, and other components separately.
- The square intake and exhaust ports might require some port matching for optimal flow on certain builds.
This cylinder head offers a significant performance boost for your SBC engine. It’s a solid choice for those looking to enhance their classic Chevy’s power and efficiency.
3. Auto Dynasty Aluminum Bare Cylinder Head Compatible with Chevy Small Block 302/327/350/383/400 SBC 200cc Intake 68cc Chamber
Rating: 9.1/10
Upgrade your Chevy small block engine with the Auto Dynasty Aluminum Bare Cylinder Head. This pack of two cylinder heads is designed for SBC engines made before 1986, including popular models like the 302, 327, 350, 383, and 400. They offer a significant boost in performance without changing your engine’s compression ratio, making them a smart choice for enthusiasts looking for more power.
What We Like:
- These heads are made of aluminum, making them much lighter than iron heads. Each head weighs only 10.33kg.
- They feature a 200cc intake runner that helps your engine breathe better and produce more power.
- The 68cc combustion chamber and square intake and exhaust ports improve how your engine burns fuel for better performance.
- A 3-angle valve seat and straight spark plug angle also contribute to a more efficient engine.
- They fit many common Chevy small block engines.
What Could Be Improved:
- These heads are not compatible with Vortec style intake manifolds.
- They are designed for engines made up to 1986, so newer models won’t work.
These Auto Dynasty cylinder heads are a solid option for anyone wanting to enhance their Chevy small block’s performance. They offer a great balance of power gains and efficiency for older SBC engines.
4. VEVOR Engine Cylinder Head Assembly Replacement
Rating: 9.0/10
Is your small block Chevrolet engine running rough or showing signs of wear? The VEVOR Engine Cylinder Head Assembly Replacement offers a powerful solution. This aluminum kit is designed to fit popular SBC engines like the 327, 350, and 383, making it a perfect upgrade for your Corvette, Camaro, or Z06. It aims to fix common issues and bring back that smooth engine performance you love.
What We Like:
- It’s a perfect fit for many Chevy small block engines, including the 327, 350, and 383 found in Corvettes, Camaros, and Z06 models.
- The CNC precision machining ensures smooth airflow and a great seal, which means your engine will work better.
- It’s built to last with strong aluminum alloy, manganese bronze valve guides, and hardened valve seats. This helps prevent overheating and keeps your engine stable.
- The cylinder head comes fully assembled with all the parts you need, making installation easier and reducing the chance of mistakes.
- It can help fix problems like engine vibrations, oil leaks, and reduce oil in your spark plugs. It also promises to improve horsepower, gas mileage, and lower emissions.
What Could Be Improved:
- While it’s designed for a perfect fit, professional installation is recommended, which might add to the overall cost.
- The description doesn’t specify if gaskets are included, which are crucial for a proper seal during installation.
This VEVOR cylinder head assembly is a strong contender for anyone looking to revive their classic Chevy engine. It offers a durable, high-performance upgrade that addresses common engine problems effectively.
5. Speedmaster PCE435.1005 Compatible with Chevy SBC 350 Straight Plug Solid FT Cylinder Head Top End Engine Combo Kit
Rating: 8.9/10
Get ready to boost your Chevy SBC 350 engine with the Speedmaster PCE435.1005 Straight Plug Solid FT Cylinder Head Top End Engine Combo Kit. This kit is designed to give your engine a serious upgrade, combining modern innovation with proven performance. Speedmaster is known for creating cool parts that mix old and new ideas. Their team works hard to make their products and their company better all the time. This combo kit is built tough, ready for the demands of the road, the track, and all your fun adventures. They aim for near-perfect products.
What We Like:
- The 435 Cylinder Head Combo offers impressive performance gains.
- Speedmaster’s focus on innovation blends old and new technology for unique parts.
- “Track Proven” means this kit is built to last through tough use.
- It comes with a 12-Month Limited Worldwide Warranty for peace of mind.
- It’s designed to be compatible with Chevy SBC 350 engines.
What Could Be Improved:
- Installation might require some mechanical knowledge.
- Specific compatibility details beyond SBC 350 might be limited.
This Speedmaster kit is a fantastic option for anyone looking to enhance their Chevy SBC 350. It brings together quality, durability, and a touch of innovation for a great engine upgrade.
Choosing the Right Heads for Your SBC 350: A Guide
So, you’re looking to give your Chevy small-block 350 (SBC 350) engine some extra power and pep? Replacing the cylinder heads is one of the best ways to do it! But with so many options out there, it can feel a bit overwhelming. Don’t worry, this guide will help you find the perfect heads for your project.
What to Look For: Key Features
When you’re shopping for SBC 350 heads, keep these important features in mind:
1. Combustion Chamber Size
- What it is: This is the space at the top of the cylinder where the fuel and air mix and ignite.
- Why it matters: Smaller chambers create more compression, which can give you more power. Bigger chambers are better for engines with larger pistons or if you plan to use a camshaft that needs lower compression. For a typical street-driven SBC 350, heads with chambers between 58cc and 72cc are common.
2. Valve Size
- What it is: This refers to the diameter of the intake and exhaust valves.
- Why it matters: Bigger valves let more air and fuel into the engine and more exhaust out. This means more power! For street performance, intake valves around 1.94 inches and exhaust valves around 1.50 inches are a good starting point. More aggressive engines might use larger valves.
3. Port Design (Intake and Exhaust Runners)**
- What it is: These are the passages inside the head that air and fuel travel through.
- Why it matters: Smooth, well-shaped ports help air flow easily. This improves how efficiently your engine breathes and makes more power. Some heads have “D-shaped” exhaust ports, which can help with exhaust flow.
4. Material**
- What it is: Most SBC 350 heads are made from either cast iron or aluminum.
- Why it matters:
- Cast Iron: These heads are tough and less expensive. They are heavier, though.
- Aluminum: These heads are lighter, which can help with overall vehicle weight. They also tend to dissipate heat better, which can prevent engine overheating. Aluminum heads usually cost more.
5. Bolt Pattern and Bolt Holes**
- What it is: This is how the intake manifold attaches to the heads.
- Why it matters: Make sure the bolt pattern matches the intake manifold you plan to use. Most SBC heads use standard bolt patterns.
What Makes Heads Better or Worse? Factors Affecting Quality
- Porting and Polishing: Heads that have been professionally ported and polished have smoother airflow. This means a better-performing engine.
- Valve Seats and Guides: High-quality valve seats and guides ensure valves seal properly. This is crucial for engine performance and longevity.
- Bolt Quality: Strong, well-made bolts hold the head to the engine block securely. Weak bolts can cause leaks.
- Manufacturing Precision: Heads made with precise measurements and tight tolerances generally perform better and last longer.
User Experience and Use Cases**
- Street Performance: If you want your daily driver or weekend cruiser to have more acceleration and a better sound, heads with moderate port sizes and good airflow are ideal.
- Racing: For drag racing or circle track racing, you’ll want heads with larger valves and aggressive port designs for maximum power.
- Heavy Towing: For trucks that tow heavy loads, heads that offer good low-end torque can be beneficial.
- Budget Builds: If you’re on a tight budget, cast iron heads are a solid, reliable choice.
Frequently Asked Questions About SBC 350 Heads
Q: What is the most common type of SBC 350 head?
A: For street use, cast iron heads with around 1.94-inch intake valves and 1.50-inch exhaust valves are very common and offer a good balance of performance and affordability.
Q: Do I need to change my pistons when I change my heads?
A: Not always. If the new heads have a similar combustion chamber size to your old ones, you might not need to change your pistons. However, if you’re going for a big jump in compression, you might need different pistons.
Q: How much horsepower can new heads add?
A: This varies a lot! Depending on the heads and the rest of your engine setup, you could see gains from 25 to over 100 horsepower.
Q: Are aluminum heads worth the extra cost?
A: Often, yes. They are lighter and help your engine run cooler, which can lead to better performance and reliability.
Q: What is compression ratio?
A: It’s how much the air and fuel mixture is squeezed in the cylinder. Higher compression generally means more power, but it can also require higher octane fuel.
Q: Can I use heads from a different Chevy engine?
A: Some heads from other Chevy V8 engines might fit, but you need to be sure they have the correct bolt pattern and bolt holes for your SBC 350 block.
Q: What’s the difference between “out-of-the-box” heads and “fully-ported” heads?
A: “Out-of-the-box” heads are ready to install. “Fully-ported” heads have had their intake and exhaust ports professionally smoothed and enlarged for maximum airflow.
Q: Will I need a new intake manifold?
A: Usually, yes. New heads often have different intake port shapes or sizes, so you’ll likely need an intake manifold that matches your new heads.
Q: How do I know what size combustion chamber is right for me?
A: This depends on your camshaft and intended use. A performance shop can help you figure out the best size for your specific engine build.
Q: Are there any special tools needed to install cylinder heads?
A: Yes, you’ll need a torque wrench to tighten the head bolts correctly. It’s also recommended to have a service manual for your specific engine.
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.