A strong small block Chevy head delivers a compatible chamber, runner, valve, and plug configuration for your engine, making it suitable for builders replacing damaged parts or planning a performance-oriented upgrade. This roundup covers 10 aluminum SBC cylinder heads and assemblies for engines including the 283, 302, 305, 327, 350, 383, and The options vary substantially: some are bare heads that need valves and springs, while others arrive assembled in pairs.
Intake runner volumes range from 180cc to 205cc, and chamber volumes include 64cc and 68cc choices. Before selecting one, confirm engine fitment, valve-train compatibility, plug angle, and whether the package includes the components your installation requires.
The strongest choice depends on your installation: assembled Speedmaster, Generic, Woosphy, or FLO-TEK heads simplify replacement, while Pateyney, IMOOA, and DNA MOTORING bare heads suit builders sourcing or configuring their own valvetrain parts. Most listed options use aluminum and 2.020-inch intake and 1.600-inch exhaust valves where specified. Check runner and chamber volume, straight versus angle plugs, 23-degree geometry, and exact SBC compatibility.
Speedmaster’s B00TJRPWYY listing is explicitly intended for racing applications only, not street use.
Small Block Chevy Heads: Bare vs. Assembled
How We Compared These Products
We compared dimensions, capacity, materials, compatibility, included components, and care requirements across many Amazon listings. These details matter because the product must fit the available space, intended use, setup requirements, and maintenance routine. After examining the wider field, we selected 10 products from Pateyney, Speedmaster, IMOOA, Generic, VEVOR, FLO-TEK, DNA MOTORING, and Woosphy.
The shortlist includes products such as Pateyney Cylinder head for Small Block Chevy SBC 350 Aluminum Bare Cylinder Head Angle, Speedmaster Assembled Cylinder Heads Compatible with Small Block Chevy, and IMOOA One Pair Bare Angle Plug Cylinder Heads For Chevy Small Block 283-Every recommendation is tied to information stated for that specific product; unclear or missing features were treated as unknown rather than filled with assumptions.
Detailed Reviews: Best Small Block Chevy Heads
1. Cylinder head for Small Block Chevy SBC 350 Aluminum Bare Cylinder Head Angle Plug

Best for: Performance street/strip builds.
This bare aluminum cylinder head features 2.02/1.600 valves and a 64cc chamber, ideal for enhancing airflow and performance in Small Block Chevy 350 engines. Its angle plug design offers flexibility for various header configurations, supporting your engine's power potential.
Constructed from aluminum with installed guides and seats, this bare cylinder head is ready for your custom build. The 205cc intake runner volume and 64cc chamber promote efficient combustion, while the 2.02/1.600 valve sizes contribute to improved airflow. Designed for Small Block Chevy 350 and 400 engines, it provides a solid foundation for performance upgrades.
Product Details
| Brand | Pateyney |
|---|---|
| Item Weight | 21.4 pounds |
| Item model number | YMXDM-CYSBC003 |
| Manufacturer | Pateyney |
| Part Number | YMXDM-CYSBC003 |
| Model | YMXDM-CYSBC003 |
| Package Dimensions | 22.5 x 10.4 x 7.25 inches |
Pros
- 2.02/1.600 valve sizes
- 64cc chamber volume
- Aluminum construction
- Angle plug design
Cons
- Bare head requires assembly
Ideal for builders seeking a customizable aluminum head for their SBC 350/400 build, offering performance potential for street or strip applications where assembly is planned.
2. Assembled Cylinder Heads Compatible with Small Block Chevy 265/283/305/307/327/350/383/400 205cc/64cc – Straight Plug Hydraulic Flat Compatible, Springs/Valves Installed, Bolt-On Pair

Best for: Racing applications.
This assembled aluminum cylinder head pair is designed for racing applications, featuring 205cc intake runners and 64cc combustion chambers for optimal performance. It comes with springs and valves installed, offering a direct bolt-on solution for compatible Small Block Chevy engines.
The Speedmaster assembled cylinder heads are compatible with a wide range of Small Block Chevy engines, including 265 through 400 cubic inches. With 205cc intake runners and 64cc combustion chambers, they are engineered for high-performance racing use. The included installed springs and valves simplify installation, providing a ready-to-go solution for your race build.
Product Details
| Brand | Speedmaster |
|---|---|
| Item Weight | 50.8 pounds |
| Item model number | PCE281.2010 |
| Manufacturer | Speedmaster |
| Part Number | PCE281.2010 |
| Model | PCE281.2010 |
| Dimensions | 22.05 x 9.5 x 5.51 inches |
Additional Product Information
| Additional Information | Important information |
|---|
Pros
- Assembled pair with springs/valves
- 205cc intake runner volume
- 64cc combustion chamber
- Wide engine compatibility
Cons
- Intended for racing applications only
A performance-focused, assembled aluminum head pair for racers seeking enhanced airflow and combustion efficiency in their Small Block Chevy engines, specifically not for street use.
3. One Pair Bare Angle Plug Cylinder Heads For Chevy Small Block 283-400

Best for: Custom performance builds.
This pair of bare aluminum cylinder heads for Chevy Small Block engines up to 1986 features 2.020 intake and 1.600 exhaust valves with a 64cc combustion chamber. The angle plug design and high-grade aluminum construction provide a durable foundation for custom performance builds.
Constructed from high-grade aluminum with bronze valve guides and ductile iron valve seats, these bare cylinder heads offer durability for your project. The 205cc intake runner volume and 64cc chamber are optimized for performance, while the 2.020/1.600 valve sizes facilitate improved airflow. Designed for Chevy Small Block 283-400 engines, they are ready for your specific build requirements.
Product Details
| Brand | IMOOA |
|---|---|
| Item model number | MTD0196 x 2 |
| Manufacturer | IMOOA |
| Part Number | MTD0196 x 2 |
| Model | Cylinder Head |
Pros
- High-grade aluminum construction
- Bronze valve guides and ductile iron seats
- 2.020/1.600 valves
- 64cc combustion chamber
Cons
- Bare head requires assembly
Suitable for builders working on custom performance engines for Chevy Small Blocks (283-400) who need a durable, bare aluminum head ready for their specific valve train and porting needs.
4. Speedmaster PCE281.2009 Small Block Chevy 350 Aluminum Cylinder Heads 205cc / 64

Best for: Hydraulic roller cam builds.
This assembled aluminum cylinder head from Speedmaster is designed for Small Block Chevy 350 engines with hydraulic roller cams. It features a 64cc combustion chamber and 205cc intake runners, along with an angle plug design for enhanced performance.
Engineered for Small Block Chevy 350 engines utilizing hydraulic roller cams, this assembled head boasts a 64cc combustion chamber and 205cc intake runners for optimized airflow and combustion. The angle plug configuration offers flexibility. It includes valves and springs, making it a convenient choice for performance builds where a hydraulic roller setup is desired.
Product Details
| Brand | Speedmaster |
|---|---|
| Item Weight | 51 pounds |
| Item model number | 746-PCE281.2009 |
| Manufacturer | Speedmaster |
| Part Number | PCE281.2009 |
| Model | JEGS |
| Dimensions | 26 x 16 x 5 inches |
Pros
- Designed for hydraulic roller cams
- 64cc combustion chamber
- 205cc intake runner volume
- Includes valves & springs
Cons
- Camshaft and lifters not included
A performance-oriented, assembled aluminum head for SBC 350 builds featuring hydraulic roller cams, offering efficient combustion and airflow, provided you have the necessary camshaft and lifters.
5. 2x Cylinder Head Assembly Replacement for Chevy SBC 350 327 383 Camaro Z06

Best for: Direct replacement builds.
This aluminum cylinder head assembly is a replacement part for Chevy SBC 350/327/383 engines, including Corvette and Camaro Z06 models. It features a 64cc combustion chamber and 190cc intake runner volume for improved engine breathing.
This cylinder head assembly, with its 190cc intake runner volume and 64cc combustion chamber, is designed to replace original components on Chevy Small Block 350, 327, and 383 engines. Constructed from aluminum, it offers a balance of performance and durability for applications like the Corvette and Camaro Z06, aiming for smoother engine operation.
Product Details
| Brand | Generic |
|---|---|
| Item Weight | 59.7 pounds |
| Item model number | 129006601 |
| Manufacturer | Generic |
| Part Number | 129006601 |
| Model | Cylinder Head |
| Package Dimensions | 23.03 x 21.46 x 11.22 inches |
Pros
- Direct replacement part
- 190cc intake runner volume
- 64cc combustion chamber
- Aluminum construction
Cons
- Generic brand
A straightforward aluminum replacement cylinder head assembly for SBC 350/327/383 engines, suitable for those needing to restore or upgrade their Corvette or Camaro Z06 with a focus on standard performance parameters.
6. VEVOR Engine Cylinder Head Assembly Replacement, Aluminum Engine Cylinder Head Kit, Compatible with Small Block Chevrolet Engines, SBC 327/350/ 383, Corvette, Camaro, Z06

Best for: Smooth engine operation.
This VEVOR aluminum engine cylinder head assembly is designed for Small Block Chevrolet engines like the SBC 327/350/383, aiming to resolve failure issues and provide smooth engine operation. Its precise CNC machining ensures improved airflow.
Featuring CNC precision machining for its combustion chamber, intake, and exhaust passages, this aluminum cylinder head assembly from VEVOR is engineered for enhanced airflow and smoother engine operation. It serves as a direct replacement for SBC 327/350/383 engines found in Corvettes and Camaros, designed to resolve performance issues and ensure reliable combustion.
Product Details
| Brand | VEVOR |
|---|---|
| Item Weight | 26.9 pounds |
| Item model number | 129006601 |
| Manufacturer | VEVOR |
| Part Number | Engine Cylinder Head |
| Model | Engine Cylinder Head Assembly Replacement |
| Dimensions | 19.69 x 7.48 x 5.12 inches |
Pros
- CNC precision machining
- Improved airflow
- Smooth engine operation
- Direct replacement part
Cons
- Confirmation of engine model required before purchase
An aluminum cylinder head assembly for SBC 327/350/383 engines, ideal for users seeking to resolve engine failures and achieve smoother operation through precise manufacturing, ensuring compatibility is confirmed prior to purchase.
7. FLOTEK 102505 Cylinder Head, Assembled, 2.020/1.600 in Valves, 180 cc Intake, 64 cc Chamber, 1.460 in Springs, Straight Plug, Aluminum, Compatible with Small Block Chevy, Each

Best for: Performance street builds.
This assembled aluminum cylinder head features 2.020/1.600 valves and 180cc intake runners with a 64cc chamber, designed for Small Block Chevy engines. It includes springs and is a straight plug configuration for enhanced performance.
The FLO-TEK assembled aluminum cylinder head offers 180cc intake runners and a 64cc combustion chamber, paired with 2.020/1.600 valves for improved airflow. Designed for Small Block Chevy engines, its straight plug configuration and installed springs simplify installation for street performance applications, providing a ready-to-install upgrade.
Product Details
| Brand | FLO-TEK |
|---|---|
| Item Weight | 22 pounds |
| Item model number | 102-505 |
| Manufacturer | Flotek |
| Part Number | 102505 |
| Model | Aluminum Cylinder Head |
| Dimensions | 24 x 10.4 x 8.7 inches |
Pros
- Assembled with springs
- 180cc intake runner volume
- 64cc chamber volume
- 2.020/1.600 valves
Cons
- Contains styrene (California Prop 65 warning)
A performance-oriented, assembled aluminum head for Small Block Chevy builds, suitable for street applications where improved airflow and combustion efficiency are desired, with awareness of the California Proposition 65 warning.
8. DNA MOTORING Aluminum Bare Cylinder Head Compatible with Chevy SBC 302/327/350/383/400, CYLH-SBC-350

Best for: Custom performance builds.
This bare aluminum cylinder head for Chevy SBC engines features 2.020 intake and 1.600 exhaust valves with a 200cc intake port and 68cc combustion chamber. Its high-grade aluminum construction and advance port design support enhanced airflow.
Constructed from high-grade aluminum with bronze valve guides and hardened seats, this bare cylinder head is designed for Chevy SBC 302-400 engines. The 200cc intake port volume and 68cc combustion chamber, combined with 2.020/1.600 valves and a 3-angle valve seat, are engineered for improved airflow and performance in custom builds.
Product Details
| Brand | DNA MOTORING |
|---|---|
| Item Weight | 21.3 pounds |
| Item model number | CYLH-SBC-350 |
| Manufacturer | DNA Motoring |
| Part Number | CYLH-SBC-350 |
| Model | CYLH-SBC-350 |
| Package Dimensions | 22 x 10 x 8 inches |
Pros
- High-grade aluminum construction
- Bronze valve guides and hardened seats
- 200cc intake port volume
- Advance port design
Cons
- Bare head requires assembly
A bare aluminum cylinder head for SBC 302-400 engines, ideal for custom builders focused on maximizing airflow and performance, requiring complete assembly and valve train components.
9. 2x Complete Cylinder Head Assy Replacement for Chevy SBC 350/327/383

Best for: Direct replacement builds.
This complete aluminum cylinder head assembly pair is a replacement for Chevy SBC 350/327/383 engines, including Corvette and Camaro Z06. It features 190cc intake runners and a 64cc combustion chamber for optimized engine performance.
This pair of aluminum cylinder head assemblies is designed as a replacement for Chevy SBC 350/327/383 engines, compatible with models like the Corvette and Camaro Z06. With 190cc intake runner volume and a 64cc combustion chamber, these heads aim to enhance engine breathing and performance, offering a complete solution for engine upgrades.
Product Details
| Brand | Woosphy |
|---|---|
| Item Weight | 52.9 pounds |
| Item model number | 129006601 |
| Manufacturer | Woosphy |
| Part Number | 129006601 |
| Model | Cylinder Head Assembly |
| Package Dimensions | 22 x 13.5 x 11 inches |
Pros
- Complete assembly pair
- 190cc intake runner volume
- 64cc combustion chamber
- Replacement for specific models
Cons
- Generic brand
A pair of complete aluminum cylinder head assemblies for SBC 350/327/383 engines, suitable for direct replacement or upgrade on Corvette/Camaro Z06 models seeking improved airflow and combustion, from a generic manufacturer.
10. SBC 350 Cylinder Head Bare Straight Plug Aluminum for Chevy Small Block 302|327|350|383|400 200cc Intake 64cc Camaro Z28, Chevelle, Monte Carlo, Hot Rods, Street Rods

Best for: Nitrous/turbocharged builds.
This bare aluminum cylinder head for SBC engines features a thick deck design suitable for nitrous, turbocharged, and supercharged applications. It offers a 200cc intake runner and 64cc combustion chamber for enhanced performance in hot rods and street rods.
Built with high-grade aluminum, bronze valve guides, and hardened seats, this bare cylinder head is designed for SBC 302-400 engines. The 200cc intake runner and 64cc combustion chamber improve performance, while the thick deck design supports forced induction. Its square intake and exhaust ports are optimized for airflow in street rod and hot rod applications.
Product Details
| Brand | Pateyney |
|---|---|
| Color | Aluminum |
| Manufacturer | Pateyney |
| Part Number | YMXDM-CYSBC002 |
| Material | Aluminum |
| Model Number | YMXDM-CYSBC002 |
Pros
- Thick deck for forced induction
- 200cc intake runner volume
- 64cc combustion chamber
- High-grade aluminum construction
Cons
- Bare head requires assembly and hardware
A bare aluminum cylinder head for SBC 302-400 engines, ideal for builders planning forced induction or high-performance street applications, requiring complete assembly and specific hardware.
What Buyers Often Overlook
SBC fitment: runner, chamber, valve, and plug details
Fitment depends on more than the 350 label: match the engine family, valve dimensions, combustion chamber, intake runner, and spark-plug angle. Pateyney’s angle-plug head lists a 205cc intake runner, 64cc chamber, and 2.02/1.60-inch valves, while IMOOA offers a pair with the same runner, chamber, and valve dimensions for several pre-1986 SBC applications. DNA MOTORING lists compatibility with 302, 327, 350, 383, and 400 engines, plus a 200cc runner, 68cc chamber, straight plugs, and 23-degree valve angles.
The 180cc FLO-TEK option uses straight plugs and a 64cc chamber. Several 190cc and 200cc assemblies are identified for 327/350/383 applications.
Confirm the vehicle and engine before ordering, especially where 400-specific details or plug clearance may affect installation.
The Key Product Trade-Off
Bare versus assembled SBC heads: what the package changes
The package configuration determines how much of the valvetrain installation remains. Bare choices include Pateyney’s angle-plug head, IMOOA’s pair, DNA MOTORING’s head, and Pateyney’s straight-plug head; the latter specifically excludes valves, springs, retainers, and hardware. That gives a builder control over selected components, but it also creates more parts and compatibility checks.
Assembled options include Speedmaster’s pair with springs and valves installed, the Speedmaster hydraulic-roller set with valves and springs, FLO-TEK’s head with 2.020/1.600-inch valves and 1.460-inch springs, and the Generic and Woosphy replacement assemblies. Speedmaster’s hydraulic-roller listing is distinct from its hydraulic-flat offering, so cam and lifter configuration matters.
The B00TJRPWYY Speedmaster listing also carries a racing-only, not-for-street-use disclaimer.
Best Small Block Chevy Heads: Buyer's Guide
Fit, Dimensions, and Compatibility
Compare the listed dimensions with the intended counter, cabinet, appliance, storage, or installation space. Confirm model compatibility and connection requirements where they are supplied. A useful feature cannot compensate for a product that does not physically fit or work with the buyer’s existing setup.
Capacity, Output, and Operating Format
Match listed capacity, volume, output, and operating mode to the actual household or work routine. Larger figures can support heavier use, while a smaller format may be easier to place and maintain. Treat daily output, immediate storage, and container capacity as separate specifications when the listing distinguishes them.
Materials, Construction, and Care
Use the listed materials and care instructions to judge cleaning effort, storage conditions, and compatibility with the intended use. Dishwasher, freezer, food-contact, or weather-related claims are included only when supplied for that product. Check whether routine care fits the way the product will be used.
Included Components and Setup Needs
Review the included components before planning installation or first use. Hoses, adapters, lids, paddles, bowls, brushes, controls, and manuals vary by listing. Confirm power, water, assembly, or accessory requirements from the supplied product information rather than assuming that separately pictured parts are included.
Which Should You Choose?
Choose an assembled pair when you want a more direct replacement path: the Speedmaster hydraulic-roller set includes valves and springs, while the Generic and Woosphy assemblies target SBC 327/350/383 replacement applications with 190cc runners and 64cc chambers. Choose FLO-TEK when a straight-plug, 180cc, 64cc assembled head and 1.460-inch springs match your setup. Select a bare head when you already have a valvetrain plan or need specific parts; Pateyney, IMOOA, and DNA MOTORING provide aluminum bare-head options with different runners, chambers, and plug layouts.
For a higher-airflow-oriented specification, compare the 200cc and 205cc designs, but verify intake, exhaust, plug, and 400-engine requirements first. Treat the explicitly racing-only Speedmaster listing accordingly.
Quick Buying Checklist
- Confirm the complete dimensions against the available space.
- Verify model, accessory, connection, and appliance compatibility.
- Match capacity or output to the expected amount of use.
- Compare materials and care instructions with the maintenance routine.
- Check the included components before planning setup or first use.
- Confirm listed power, water, storage, or installation requirements where applicable.
Frequently Asked Questions
What is the primary difference between bare and assembled heads?
Bare cylinder heads are sold without valves, springs, or other internal components, requiring you to source and install them separately. Assembled heads come complete with all necessary valvetrain components pre-installed, offering a ready-to-install solution for engine builders.
Are aluminum heads suitable for all Small Block Chevy applications?
They are generally compatible with most Small Block Chevy engines, but specific port volume and chamber size should match your engine’s build.
What does 'angle plug' or 'straight plug' refer to?
Plug refers to the spark plug. Angle plug heads have spark plugs angled into the combustion chamber, which can offer better plug access and sometimes improved combustion. Straight plug heads have the spark plug entering the chamber perpendicular to the deck surface.
How do intake runner and combustion chamber volumes affect performance?
Larger intake runner volumes generally support higher RPM power, while smaller volumes promote better low-end torque. Combustion chamber volume directly impacts compression ratio. Matching these volumes to your engine’s displacement and intended use is crucial for optimal performance.
Can I use these heads on different Small Block Chevy displacements?
Yes, many Small Block Chevy heads are designed to fit a range of displacements, from 265 to 400 cubic inches. Ensure the head’s port volume and chamber size are appropriate for your specific engine’s cubic inches and intended performance goals.
Final Words
Assembled heads offer convenience, while bare heads allow for tailored component selection. For most enthusiasts seeking a balance of performance and ease of installation, a quality assembled pair is often the most practical choice.