CHEVY 6272990 Big Block Heads Square Port

( Part Type: Block Head )

Review CHEVY Bbc Big Block Heads Rectangular Square 990 Port fits 454 427

The BBC Big Block Heads Chevy Square 6272990 990 454 Port 427 is a high-performance cylinder head designed for enthusiasts who seek to enhance the power and efficiency of their Chevrolet engines. This cylinder head is specifically designed for the 454 cubic inch (7.4 L) Big Block Chevy engines, providing an excellent upgrade option for those looking to boost their engine's performance.

The BBC Big Block Heads 6272990 990 454 Port 427 features a 4-bolt main bearing configuration, ensuring a robust and secure connection between the cylinder head and the engine block. This design provides improved strength and rigidity, reducing the risk of engine failure due to excessive stress or vibration.

One of the standout features of this cylinder head is its oversized 4.270-inch (108.46 mm) intake port, which allows for increased airflow into the engine. This enhanced airflow helps to improve combustion efficiency, resulting in more power and torque output. Additionally, the head features a 2.065-inch (52.43 mm) intake valve and a 1.600-inch (40.64 mm) exhaust valve, both of which are designed for maximum performance.

The BBC Big Block Heads 6272990 990 454 Port 427 also features a high-compression combustion chamber, which helps to increase the efficiency of the combustion process. This design helps to produce more power while also improving fuel efficiency, making this cylinder head an excellent choice for both performance and economy-focused applications.

Furthermore, this cylinder head features an aluminum alloy construction, which helps to keep weight to a minimum while still providing excellent heat dissipation capabilities. The head also features a four-bolt main bearing cap design, which further enhances its strength and durability.

In summary, the BBC Big Block Heads Chevy Square 6272990 990 454 Port 427 is a high-performance cylinder head designed for the 454 cubic inch Big Block Chevy engines. Its oversized intake port, high-compression combustion chamber, and aluminum alloy construction make it an excellent upgrade option for those looking to boost their engine's power and efficiency. The 4-bolt main bearing configuration and 2.065-inch intake valve provide added strength and durability, while the 1.600-inch exhaust valve ensures maximum performance. This cylinder head is an excellent choice for both performance and economy-focused applications, making it a worthy investment for any Chevy enthusiast.

1. Power: The BBC Big Block Heads are known for their power and performance, making them a popular choice for those looking to upgrade their engine. The 454 cubic inch port 427 engine provides significant horsepower and torque.

2. Durability: BBC Big Block Heads are built to last, made from high-quality materials and designed for high-performance applications, making them a reliable option for long-term use.

3. Customizability: The BBC Big Block Heads can be customized to fit various applications, including muscle cars, hot rods, and trucks. Users can choose from different cylinder head configurations, ports, and valves to meet their specific needs.

1. Cost: BBC Big Block Heads can be expensive, especially if users choose to customize their engine to a high degree. The cost of installation, tuning, and any necessary modifications should also be considered.

2. Complexity: Installing BBC Big Block Heads can be a complex process, requiring specialized tools and knowledge. Users may need to hire a professional mechanic or engine builder to ensure proper installation and tuning.

3. Compatibility: Not all vehicles are compatible with BBC Big Block Heads, and users may need to make modifications to their vehicle to accommodate the larger engine. This can add to the cost and complexity of the installation process.

BBC Big Block Heads are a powerful and durable option for those looking to upgrade their engine. However, the cost and complexity of installation and customization can make them a less accessible option for some users. If users are willing to invest the time and money, the increased power and performance of BBC Big Block Heads can be worth the investment.

If you are considering purchasing BBC Big Block Heads, it is recommended that you do your research and consult with a professional mechanic or engine builder to ensure that the engine is compatible with your vehicle and that the installation process will be completed correctly. It is also important to consider the cost of installation, modifications, and any necessary tuning to ensure that you are getting the best value for your investment.

Details:

The springs are not stock they are hp springs I do not know the spring pressure on the springs. I am putting a flat shipping price on here but it may very depending on where you live. I have a good used pair of gm Chevy bbc square port rectangular a cylinder heads date j for they are in good condition and taken off a good running motor with few miles on it.

You pay the fee I take other pay I am selling these for more on because of the on growing problem with the outrages fees they charge now. The heads are stock heads with just mild clean up on the runners.

Thanks posted with mobile. If you are a serious buyer I can work out a better deal as they are for sell locally. Lower 48 states only.

They have been tested and manga fluxed. But I will if I have.

Selling them as is with no return.

part #: 6272990 prices

• $399.00-$3500.00

Shipping:

• cost: $150.0
• handling: 5 days
• type: Flat

Offer:

• Started: March 18, 2015, 2:44 am
• # bids: 0
• best offer: false
• quantity: 1
• # Sold: 0

Payments:

• PayPal

General:

• Motors > Parts & Accessories > Vintage Car & Truck Parts > Engines & Components > Cylinder Heads & Parts
• in stock: Yes
• condition: Used

Seller:

• city: Lawrenceburg, Tennessee
• zipcode: 38464

Ratings:

1. A++++ buyer!! 03-03-15
2. supper deal for the shape it was in, THANKS! need lft door bezel 80 camaro. 03-13-15
3. smooth transaction-- thanks 03-04-15
4. great price, fast shipper, great 03-17-15
5. aaa +++ buy 03-14-15

Returns:

• policy: no returns

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