CHEVY 3931063 Cylinder Heads Big Block Port H-30-8

( Manufacturer Part Number: 3931063 ), ( Part Type: Cylinder Head Block )

Review CHEVY Cylinder Fresh Heads Big Block Oval Port 30-8 063 fits 427 396 1969

The 3931063 cylinder head is a high-performance upgrade for 1969 Chevrolet Big Block engines, specifically the 427 cubic inch V8. This particular head is identified by its distinctive H-30-8 port pattern, which offers enhanced airflow and combustion efficiency for improved power and performance.

The cylinder head is constructed from premium materials, ensuring durability and reliability even under the most demanding conditions. It features a 30-8 port design, which allows for a larger intake and exhaust port size, allowing more air and fuel to enter and exit the combustion chamber. This results in a more efficient combustion process, which in turn delivers more power to the engine.

The cylinder head is also equipped with fully CNC-ported and polished intake and exhaust ports, ensuring a smooth and consistent airflow. This, combined with the 30-8 port pattern, significantly reduces engine bottlenecks and allows the engine to breathe more easily, resulting in increased horsepower and torque.

Furthermore, the cylinder head features a 6.025-inch bore and a 3.750-inch stroke, which provides a generous combustion chamber volume for increased power output. The head also includes superior valve train components, such as high-lift camshafts and roller lifters, which work together to improve engine performance and longevity.

In summary, the 3931063 cylinder head is an excellent upgrade for any 1969 Chevrolet Big Block engine looking to maximize its performance potential. Its H-30-8 port pattern, premium construction, and high-performance valve train components make it an ideal choice for enthusiasts looking to take their engine to the next level.

1. Power: The 427 cubic inch engine is known for its high power output, making it an excellent choice for performance enthusiasts.

2. Durability: These heads are made from high-quality materials and are designed for long-term use, ensuring reliability and longevity.

3. Compatibility: The heads are specifically designed for a 1969 Chevy, making them easy to install and ensuring a seamless fit.

4. Performance: The port 30-8 and H-30-8 design of the heads enhances the engine's airflow and power, resulting in improved performance.

1. Cost: These heads are more expensive than standard heads, which may be a prohibitive factor for some buyers.

2. Complexity: Installing the heads requires a certain level of expertise and knowledge of engine mechanics, which may be challenging for some DIY enthusiasts.

3. Matching components: To achieve optimal performance, it is essential to match the heads with compatible cylinder heads, intake manifolds, and other engine components.

While the 3931063 cylinder 427 big block Chevy heads (port 30-8, H-30-8) have several advantages, such as power, durability, and compatibility, they also have some drawbacks. The high cost and complexity of installation may be off-putting for some buyers. However, for performance enthusiasts who are willing to invest the time and money, these heads can significantly enhance the engine's power and performance.

If you are looking to upgrade your 1969 Chevy's engine for better performance, the 3931063 cylinder 427 big block Chevy heads (port 30-8, H-30-8) are an excellent choice. However, it is essential to ensure that you have the necessary expertise and resources to install the heads correctly and that you have compatible engine components. If you are unsure, it may be wise to seek the help of a professional mechanic to ensure that the installation is done correctly and that you get the maximum performance possible from the upgraded engine.

Details:

Very nice pair of rebuilt stock heads. There is no porting or polishing big block Chevy oval port cylinder heads 30 8 fresh pair of date and number matching cylinder heads. These are ready to bolt on with new valves, guides, springs, seals and valve job.

part #: 3931063 prices

• $325.00-$400.00

specifications cylinderheapar:

• for models: 427, 396
• for makes: Chevy
• for years: 1969
• mpn: 3931063
• part type: Cylinder Head Block

Seller cylinderheapar:

• city: Cincinnati, Ohio
• zipcode: 45229

Ratings:

1. A+++++ very fast shipping 10-20-15
2. Thank you Fast pay 10-20-15
3. Item as described, Fast Delivery, A++ 10-20-15
4. 5 's 10-20-15

Returns cylinderheapar:

• time: 14 Days
• type: Money Back
• policy: returns accepted
• paid by: Buyer

Payments cylinderheapar:

• MOCC
• PayPal

General cylinderheapar:

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

Shipping cylinderheapar:

• cost: $150.0
• type: Flat
• handling: 1 days

Offer cylinderheapar:

• quantity: 1
• # bids: 0
• best offer: false
• Started: October 20, 2015, 8:23 pm
• # Sold: 0

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