fits model: 396, 427, Corvette, Camaro, Chevelle. year: 1967.

( Manufacturer Part Number: 3804391 ), ( Part Type: Head )
Introducing the 1967-1969 Chevrolet Big Block Head, part number 3804391 or 3904391, a crucial component for your 1967 Corvette, Camaro, or Chevelle. This high-performance head is designed to accommodate engines with a displacement of 396 cubic inches or 427 cubic inches, offering you a powerful and efficient upgrade for your classic muscle car.
The 1967-1969 Chevrolet Big Block Head is built with precision and attention to detail, ensuring a perfect fit and seamless integration into your vehicle's engine bay. The head features a compact design, which allows for better engine compartment packaging, while still providing ample space for optimal combustion and power output.
The head is equipped with four-bolt main caps, ensuring maximum strength and durability, even under the most demanding driving conditions. This design also allows for easier and more effective cylinder head gasket sealing, reducing the risk of leaks and combustion chamber loss.
The 1967-1969 Chevrolet Big Block Head is also designed with a high-flow intake and exhaust port, enabling improved airflow and better combustion efficiency. This results in increased horsepower, torque, and overall engine performance, providing you with a thrilling driving experience.
In addition, the head features a high-performance valve design, including a large intake valve and a larger exhaust valve, which allows for more efficient fuel-air mixture intake and exhaust gas expulsion. This results in improved engine breathing and power output, enhancing your vehicle's performance and responsiveness.
The 1967-1969 Chevrolet Big Block Head is made from high-quality aluminum alloy, which is lightweight, yet incredibly strong and durable. This material ensures excellent heat dissipation, reducing the risk of engine overheating and improving overall engine reliability.
In conclusion, the 1967-1969 Chevrolet Big Block Head, part number 3804391 or 3904391, is a vital upgrade for your 1967 Corvette, Camaro, or Chevelle. It offers improved engine performance, durability, and reliability, while still maintaining the classic aesthetic of your beloved muscle car. Upgrade your engine today with this high-performance head and experience the difference for yourself.
Pros of buying a 1967 Chevrolet Corvette, Camaro, or Chevelle with a 396/427 engine:1. Power: The 396 and 427 engines are known for their raw power and torque, providing an exhilarating driving experience.
2. Rarity: These engines were not commonly installed in these models, so finding a car with one can make it a unique and desirable collector's item.
3. Performance: With a powerful engine, these cars can accelerate quickly, handle well, and have impressive top speeds.
4. Value: Depending on the condition of the car and the level of restoration, a 1967 muscle car with a 396/427 engine can be a good investment, with potential for appreciation in value over time.
Cons of buying a 1967 Chevrolet Corvette, Camaro, or Chevelle with a 396/427 engine:1. Maintenance and repair costs: These engines are powerful and require regular maintenance and upkeep to keep them running smoothly. The parts can also be expensive to replace if needed.
2. Fuel efficiency: Due to their large size and power, these engines are not known for their fuel efficiency. Expect to fill up more often.
3. Insurance costs: Insurance for a car with a powerful engine can be more expensive than for a car with a smaller engine.
4. Restoration: If the car is not in good condition, a restoration project can be time-consuming and costly.
Conclusion: Buying a 1967 Chevrolet Corvette, Camaro, or Chevelle with a 396/427 engine can be a rewarding experience, but it also comes with some challenges and costs. If you have the budget and the passion for classic muscle cars, it can be a worthwhile investment. However, it is important to do your research and understand the true cost of ownership before making a purchase.
Recommendation: If you are considering buying a 1967 muscle car with a 396/427 engine, it is recommended to work with a reputable dealer or restoration specialist who can provide you with accurate information about the car's condition and potential costs. Also, consider getting a pre-purchase inspection to identify any potential issues before making a purchase.
I did these heads for myself, but decided to go a different direction after having on the shelf about 10 years both dated b-21-7, are fresh with new chilled iron guides, hard exhaust seats, performance 3 angle valve grind done super flow bench, Manley race valves. Both heads cc at 105.