CYLINDER HEADS 3993820 Block Big Port 402 I-2-70

( Brand: Cylinder Heads ), ( Manufacturer Part Number: 3993820 ), ( Part Type: Block )

Review CYLINDER HEADS Block Big 402 Oval 2-70 820 Port Bbc Chevy fits 454 1971

The 3993820 HEADS BLOCK is a high-quality, performance-enhancing component designed specifically for Chevrolet Big Block engines, including the 402 and 454 cubic inch variants, as well as the 2-70 and 8-20 port BBC engines. This heads block is a direct replacement for the original part, providing a reliable and durable upgrade for your classic or custom Chevrolet vehicle.

The 3993820 HEADS BLOCK is precision-machined from high-grade cast iron, ensuring superior strength and durability. It features a 4-bolt main cap design, which provides increased clamping force and improved engine stability. The block is also equipped with a 4-bolt main bearing cap that ensures even distribution of power across the crankshaft, reducing wear and extending the life of the engine.

The 3993820 HEADS BLOCK is designed to work seamlessly with popular aftermarket heads, such as the Edelbrock Performer RPM and the Summit Racing LS6 heads. This allows for easy upgrades and customization, allowing you to maximize the performance of your engine.

The block is also equipped with a cross-drilled oil pan baffle that helps to reduce oil slosh and improve oil flow to critical engine components. This helps to ensure optimal engine performance and longevity.

The 3993820 HEADS BLOCK is also ideal for racing and high-performance applications. It features a high-flow cylinder head design, which allows for increased air and fuel flow, resulting in improved horsepower and torque. The block is also equipped with a 4.000-inch bore, which provides ample room for larger pistons and increased displacement, if desired.

In summary, the 3993820 HEADS BLOCK is a high-quality, performance-enhancing upgrade for your Chevrolet Big Block engine. It features a 4-bolt main cap design, a 4-bolt main bearing cap, and a cross-drilled oil pan baffle. It is also compatible with popular aftermarket heads and is ideal for racing and high-performance applications. Whether you're looking to upgrade your classic Chevy or build a high-performance engine, the 3993820 HEADS BLOCK is an excellent choice.

1. Compatibility: The heads block is specifically designed for Big Block Chevy engines, making it a direct fit for your 1971 vehicle.

2. Performance: The 2-70 port design provides improved airflow, which can lead to increased horsepower and torque.

3. Durability: The 820 port BBC heads block is made of high-quality materials, ensuring long-lasting performance and reliability.

1. Cost: The heads block can be quite expensive, especially compared to standard or aftermarket alternatives.

2. Availability: Due to its specificity, finding this heads block may be more challenging and require more time and effort.

3. Requires other modifications: Installing the heads block may require additional modifications to the engine, such as new intake and exhaust manifolds, which can add to the overall cost and complexity of the project.

In conclusion, if you're looking for improved performance and durability for your 1971 Big Block Chevy, the 3993820 heads block is a solid choice. However, its cost and potential need for additional modifications should be considered before making a purchase. If budget is a concern, you may want to explore less expensive aftermarket options that can still provide significant performance improvements.

Details:

Will need some new guides. Sold as cores to rebuild.

Good tick Heads with no porting or polishing big block Chevy bbc oval port Heads I 2 70 nice pair of original Heads that are cleaned and checked for cracks.

part #: 3993820 prices

• $350.00-$499.00

specifications cylinderheapar:

• for models: 454
• for makes: Chevy
• for years: 1971
• brand: Cylinder Heads
• mpn: 3993820
• part type: Block

Ratings:

1. fast payment, AAA+++ 10-16-15
2. Nice quality item. Just as described. Great seller. Thank you 10-18-15
3. Great buying experience, quick shipping and delivery! 10-16-15
4. Great product 10-17-15
5. He made the sale smooth with great communication. Great seller. One to follow ! 10-18-15

General Cylinderheapar:

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

Returns Cylinderheapar:

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

Seller Cylinderheapar:

• zipcode: 45229
• city: Cincinnati, Ohio

Offer Cylinderheapar:

• quantity: 1
• # bids: 0
• # Sold: 0
• Started: October 19, 2015, 4:14 am
• best offer: false

Shipping Cylinderheapar:

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

Payments Cylinderheapar:

• PayPal

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