A Comprehensive Guide to Pro Comp Heads for Small Block Chevy (SBC)
Pro Comp heads are a popular choice among automotive enthusiasts looking to enhance the performance of their Small Block Chevy (SBC) engines. Known for their quality and performance capabilities, these aluminum cylinder heads come in various configurations suited for different applications. This guide will provide an in-depth look at Pro Comp heads, their specifications, and how they can benefit your SBC engine build.
Comparison of Pro Comp Heads for SBC
| Model | Chamber Size | Intake Port Volume | Complete/Bare | Price (Approx.) | Application |
|---|---|---|---|---|---|
| Procomp SBC 190/64cc | 64cc | 190cc | Complete | $1,079.92 | Street/Performance |
| Procomp SBC 205/64cc | 64cc | 205cc | Complete | $1,039.50 | Street/Performance |
| Procomp SBC 59cc CNC Chamber | 59cc | 210cc | Bare | $1,734.09 | High Performance |
| Procomp SBC 190/210cc | 64cc | 190cc/210cc | Bare | $1,501.50 | Versatile Build Options |
| Procomp SBC 350/383 Aluminum Heads | 64cc | 210cc | Complete | Varies | Moderate Performance |
Key Features of Pro Comp Heads
Pro Comp heads are designed to optimize airflow and improve combustion efficiency. Here are some of the essential features that set these heads apart:
1. Aluminum Construction
Aluminum heads are lighter than cast iron alternatives, which helps reduce the overall weight of the engine. This weight reduction can lead to improved acceleration and handling.
2. CNC Machined
Many Pro Comp heads feature CNC machining, ensuring precision in dimensions and a perfect fit for your specific SBC application. This process enhances airflow characteristics, promoting better performance.
3. Variety of Chamber Sizes
Pro Comp offers heads with various chamber sizes, allowing builders to choose the right compression ratio for their specific engine setup. This flexibility is crucial for optimizing performance.
4. Complete Kits
Several models come as complete kits with all necessary components, including studs and guide plates. This convenience makes the installation process more straightforward for enthusiasts.
5. Performance-Driven Design
Designed for both street and track applications, Pro Comp heads provide a balance of power and drivability. They cater to a wide range of performance needs, from mild street engines to high-performance race setups.
Technical Features Comparison of Pro Comp Heads
| Feature | Procomp SBC 190/64cc | Procomp SBC 205/64cc | Procomp SBC 59cc CNC | Procomp SBC 190/210cc | Procomp SBC 350/383 |
|---|---|---|---|---|---|
| Material | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum |
| Chamber Type | Open | Open | CNC Chamber | Open | Open |
| Valve Size | 2.02″/1.60″ | 2.05″/1.60″ | 2.08″/1.60″ | 2.02″/1.60″ | 2.02″/1.60″ |
| Weight | Lightweight | Lightweight | Lightweight | Lightweight | Lightweight |
| Intended Use | Street/Performance | Street/Performance | High Performance | Versatile Builds | Moderate Performance |
Choosing the Right Pro Comp Head for Your SBC
When selecting the right Pro Comp head for your SBC, consider the following factors:
Engine Type and Usage
Decide whether your engine will be used primarily for street driving, racing, or a combination of both. Certain heads are optimized for specific applications, so choose one that aligns with your goals.
Compression Ratio
Depending on your engine’s configuration, you might need a specific chamber size to achieve the desired compression ratio. This choice can significantly affect performance, fuel efficiency, and engine longevity.
Budget
Pro Comp heads range in price, so it’s essential to set a budget before shopping. Keep in mind that while some models may be more expensive, their performance benefits may justify the cost.
Installation Requirements
Consider whether you want a complete head kit or if you’re comfortable purchasing components separately. Complete kits often simplify the installation process.
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Conclusion
Pro Comp heads for Small Block Chevy engines offer a blend of performance, versatility, and quality that appeals to a wide range of automotive enthusiasts. With various models available, builders can find the right head to meet their specific performance goals, whether for street use or high-performance applications. Understanding the key features and specifications of these heads will enable you to make an informed decision for your engine build.
FAQ
What are Pro Comp heads?
Pro Comp heads are aluminum cylinder heads designed for Small Block Chevy engines, known for their performance enhancements and lightweight construction.
How do I choose the right Pro Comp head for my SBC?
Consider your engine’s intended use, desired compression ratio, budget, and installation requirements when selecting a Pro Comp head.
What is the advantage of aluminum heads over cast iron?
Aluminum heads are lighter, providing better acceleration and handling, and they also offer improved heat dissipation and airflow characteristics.
Are Pro Comp heads suitable for racing applications?
Yes, several models of Pro Comp heads are designed specifically for high-performance and racing applications, offering optimized airflow and combustion efficiency.
How much do Pro Comp SBC heads cost?
Prices for Pro Comp heads vary based on model and specifications, generally ranging from approximately $1,000 to $1,800.
Do Pro Comp heads come with all necessary components?
Many models are available as complete kits, including studs and guide plates, which can simplify installation.
What valve sizes are available for Pro Comp heads?
Most Pro Comp heads offer a standard valve size of 2.02″/1.60″, but some models feature larger valves for increased airflow.
Can I use Pro Comp heads on stock SBC engines?
Yes, Pro Comp heads can be used on stock SBC engines, but it’s essential to ensure compatibility with your engine’s components and configuration.
Will using Pro Comp heads improve my engine’s performance?
Yes, Pro Comp heads are designed to enhance airflow and combustion efficiency, resulting in improved horsepower and torque.
What maintenance is required for Pro Comp heads?
Regular inspection and maintenance, such as checking for leaks and ensuring proper torque specifications, are important for maintaining the performance of Pro Comp heads.
