CHEVY 3993820 Heads Port Big Block H-26-70 402 H-27-70

( Manufacturer Part Number: 3993820 ), ( Part Type: Head Block )

Review CHEVY Oval Heads 27-70 Port Big Block 26-70 820 402 fits 454 1971

The H-26-70 454 heads are a high-performance upgrade for your 1971 Big Block Chevrolet engine. These heads are specifically designed for the 27-70 Chevy port, and are compatible with engines with engine numbers ending in 3993820, 820, or 402.

These H-26-70 heads are known for their excellent flow rates, which help to increase horsepower and torque. They feature a large intake port and valve sizes, which allow for a greater amount of air and fuel to enter the engine cylinders. This results in more efficient combustion, and ultimately, more power.

The H-26-70 heads are also made from high-quality materials, such as cast aluminum. This makes them lightweight and durable, reducing the overall weight of your engine and improving its performance. Additionally, the heads feature a high-polish finish, which not only looks great but also helps to reduce engine heat and improve overall engine efficiency.

The H-26-70 heads also come with fully-machined and matched intake and exhaust ports, which ensures a perfect fit with your engine. This ensures that there are no leaks or gaps, which can cause engine performance issues.

In summary, the H-26-70 454 heads are a high-quality, high-performance upgrade for your 1971 Big Block Chevrolet engine. They feature excellent flow rates, are made from high-quality materials, and come with fully-machined and matched intake and exhaust ports. If you're looking to boost the power of your Chevy engine, these heads are a great option to consider.

1. High Performance: These heads are designed for high-performance applications, which can provide increased horsepower and torque.

2. Compatibility: They are compatible with the 1971 Big Block Chevy engine, making them a direct fit.

3. Quality Materials: The H-26-70 heads are made from high-quality materials, ensuring durability and long-lasting performance.

1. Expensive: Compared to stock heads, H-26-70 heads can be quite expensive.

2. Requires Additional Modifications: To fully utilize the potential of these heads, you may need to make additional modifications to your engine, such as upgrading the camshaft, intake, and exhaust systems.

3. Potential for Overheating: Due to their high-performance design, these heads can run hotter than stock heads, which may require additional cooling measures.

If you're looking to enhance the performance of your 1971 Big Block Chevy, the H-26-70 heads can be a great option. They offer increased horsepower and torque, but they also come with a higher price tag and potential for additional modifications. It's important to weigh the costs and benefits to determine if these heads are the right choice for your project.

If you're serious about boosting the performance of your 1971 Big Block Chevy and have the budget for it, the H-26-70 heads can be a worthwhile investment. However, make sure to do your research and consider the additional modifications and cooling requirements that may be necessary to ensure the best possible performance.

Details:

Good stock heads to have done. No porting or polishing big block Chevy oval port heads cleaned and checked for cracks. Plenty of material on deck for future milling.

part #: 3993820 prices

• $395.00-$690.00

specifications cylinderheapar:

• for models: 454
• for makes: Chevy
• for years: 1971
• mpn: 3993820
• part type: Head Block

Seller cylinderheapar:

• zipcode: 45229
• city: Cincinnati, Ohio

Shipping cylinderheapar:

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

Ratings:

1. Fast Shipping!! Safely Packaged!! Exactly As Described!! 08-29-16
2. lightning fast! great clean part ready for paint! awesome!!!! 09-02-16
3. Item as described, well packaged. 09-02-16
4. As listed,FAST SHIPPING!, NEEDS MORE SELLERS LIKE THIS!!! 08-29-16
5. Pleasure doing bussiness with you! 08-30-16

General cylinderheapar:

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

Payments cylinderheapar:

• PayPal

Offer cylinderheapar:

• Started: September 3, 2016, 10:28 am
• # Sold: 0
• # bids: 0
• best offer: false
• quantity: 1

Returns cylinderheapar:

• paid by: Buyer
• policy: returns accepted
• time: 30 Days
• type: Money Back

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