fits make: Chevy.

( Brand: Afr ), ( Manufacturer Part Number: 1291 ), ( Type: Cylinder Head ), ( Country/region Of Manufacture: United States ), ( Performance Part: Yes )
The AFR 1291 CNC Bare Race Aluminum Heads for a 65cc Chevy engine represents a significant upgrade for high-performance enthusiasts seeking to boost the power output of their vehicles.
These heads are meticulously designed and precision-machined from high-quality aluminum for durability and lightweight performance. The CNC manufacturing process ensures a consistent and accurate cylinder head profile, enhancing the engine's efficiency and power delivery.
The AFR 1291 heads feature a 2.20-inch intake and 1.60-inch exhaust valve size, which is suitable for high-flow intake and exhaust systems. The larger valve size allows for increased air and fuel flow, resulting in more power and a broader powerband.
These heads are intended for racing applications and are available in a bare, unassembled condition. They are compatible with Chevy 65cc engines and can be used in applications with displacements up to 220cc. The AFR 1291 CNC Bare Race Aluminum Heads are designed to provide maximum power, reliability, and exceptional performance for serious racers.
In summary, the AFR 1291 CNC Bare Race Aluminum Heads are a high-quality, high-performance upgrade for Chevy 65cc engines, offering increased power, improved efficiency, and a broader powerband for racing applications. With their large valve size, precision manufacturing, and racing-oriented design, these heads are an excellent choice for serious racers seeking to maximize their engine's potential.
Product: AFR 1291 CNC Bare Race Aluminum Heads, 65cc/220cc Chevy
Pros:1. High-quality construction: AFR heads are known for their precision CNC machining and high-quality materials, ensuring durability and performance.
2. Increased power: The 1291 heads are designed to provide increased power and torque, making them a popular choice for race applications.
3. Versatility: These heads are compatible with both 65cc and 220cc Chevy engines, offering flexibility for different power levels.
4. Improved flow: The port design is designed to improve airflow, resulting in better combustion and performance.
Cons:1. Cost: AFR heads are typically more expensive than stock heads, which may be a deterrent for some buyers.
2. Requires additional modifications: Bare race heads do not come with valves, springs, or retainers, meaning the user will need to purchase these separately and perform the necessary installation.
3. Not suited for street use: Due to their aggressive design and focus on power, these heads are not ideal for daily driving or street applications.
Conclusion:The AFR 1291 CNC Bare Race Aluminum Heads offer excellent performance for race applications, thanks to their high-quality construction, increased power, and improved airflow. However, their high cost, need for additional modifications, and lack of suitability for street use are factors that potential buyers should consider before making a purchase.
Recommendation:If you are looking for improved performance for race applications and are willing to invest in high-quality components and additional modifications, then the AFR 1291 CNC Bare Race Aluminum Heads could be a good choice for you. However, if you are seeking a more affordable option or want something more suitable for street use, you may want to consider other alternatives.
Key Details:: Valve sizes: 2.08 intake, 1.60 exhaust. Combustion chamber volume: 64 cc. These are bare castings and include most of the original components that were removed for disassembly. Includes: Assorted spring shims.
However, some parts have been lost over the years, and I cannot guarantee that everything needed for reassembly is included. Manufactured: Circa 1995. You are purchasing a pair of Air Flow Research AFR cylinder heads for Small Block Chevy. Missing: One exhaust valve and one pair of keepers.
FREE SHIPPING within the continental USA. Steam holes: Drilled for 400 SBC applications. Intake ports:enough to require a custom valve train girdle, which is included and was designed specifically for these heads. Please review all photos carefully before purchasing.