CHEVROLET 3966948 Holley Cast Iron Ports Intake Manifold 68

( Type: Intake Manifold ), ( Engine Size: 396 427 ), ( Manufacturer Part Number: 3966948 ), ( Material: Cast Iron ), ( Features: Unfinished ), ( Fuel Type: Gasoline )

Review CHEVROLET 68 Holley Cast Iron Oval Ports Intake Manifold fits 396 427 1966

The Chevrolet 3966948 1966-1968 Holley 396 427 cast iron ports intake manifold is a high-performance intake solution engineered for Chevrolet 396 cubic inch (6.5L) engines. This intake manifold is a cast iron design, providing superior durability and heat dissipation capabilities, making it an ideal choice for high-performance applications.

This intake manifold is specifically designed for use with 1966 and 1968 Chevrolet engines equipped with the 396 cubic inch (6.5L) 427 big-block V8 engine. The intake ports on this manifold are cast iron, ensuring optimal flow and durability for high-performance applications. The manifold is also designed to work with a Holley 4160 series carburetor or other suitable quad-barrel carburetors.

One of the key features of this intake manifold is its unique design, which includes a raised plenum area. This plenum design helps to ensure proper fuel distribution and improved air flow, leading to better engine performance and increased power output. The manifold also includes a built-in power brake booster and electric choke mounting provisions, making it a complete intake solution for your 1966-1968 Chevrolet 396 engine.

The Chevrolet 3966948 1966-1968 Holley 396 427 cast iron ports intake manifold is a direct replacement for the original factory intake manifold, making installation straightforward and hassle-free. It is also engineered to work with factory exhaust manifolds, making it a popular choice for those looking to maintain the original exhaust system while upgrading to a high-performance intake manifold.

In summary, the Chevrolet 3966948 1966-1968 Holley 396 427 cast iron ports intake manifold is a high-performance intake solution for 1966-1968 Chevrolet 396 cubic inch (6.5L) 427 big-block V8 engines. Its cast iron design provides superior durability, and the unique plenum design helps to ensure optimal fuel distribution and improved air flow. This intake manifold is a direct replacement for the factory intake manifold and is compatible with factory exhaust manifolds, making it a popular choice for those looking to upgrade their engine performance while maintaining the original exhaust system.

Buying a Chevrolet 1966-1968 396/427 Holley 396 cast iron ports intake manifold can be an excellent investment for those looking to enhance the performance of their classic Chevrolet engine. Below are some pros and cons that can help you make an informed decision.

1. Enhanced Performance: This intake manifold is designed specifically for 396/427 engines and is known to provide improved airflow and fuel delivery, leading to increased horsepower and torque.

2. Durability: Cast iron construction makes the manifold robust and long-lasting, reducing the chances of damage from extreme temperatures or racing conditions.

3. Compatibility: This intake manifold is a direct fit for 1966-1968 Chevrolet engines with 396/427 cubic inches, making installation straightforward and time-efficient.

4. Holley Brand: Holley is a reputable brand in the performance aftermarket industry, and this intake manifold comes with a one-year warranty.

1. Cost: The Holley 396 cast iron ports intake manifold is a premium aftermarket part, and the price tag reflects that. It may not be an affordable option for budget-conscious enthusiasts.

2. Requires Additional Modifications: In some cases, this intake manifold may require additional modifications, such as port matching or carburetor tuning, to achieve optimal performance.

3. Weight: The cast iron construction adds weight to the engine, which may impact performance in some applications where weight reduction is a priority.

The Chevrolet 1966-1968 396/427 Holley 396 cast iron ports intake manifold is an excellent option for those looking to maximize the performance of their classic Chevrolet engine. Its durability, compatibility, and enhanced performance make it a worthwhile investment. However, the cost and potential need for additional modifications may deter some enthusiasts. Ultimately, the decision to purchase this intake manifold depends on individual priorities, budget, and performance goals.

If you are serious about improving the performance of your 1966-1968 Chevrolet 396/427 engine and are willing to invest in a high-quality aftermarket intake manifold, the Holley 396 cast iron ports intake manifold is an excellent choice. However, if budget is a concern or you prefer a lighter intake manifold, alternative options may be worth considering. It's essential to weigh the pros and cons carefully and consult with a professional mechanic or performance specialist before making a purchase.

Details:

Up for Consideration.

part #: 3966948 prices

• $250.00-$5900.00

specifications inputmanifolds:

• for models: 396, 427
• for makes: Chevrolet
• for years: 1966
• type: Intake Manifold
• engine size: 396 427
• manufacturer part number: 3966948
• material: Cast Iron
• features: Unfinished
• fuel type: Gasoline

general inputmanifolds:

• Car Truck Parts Accessories > Air Fuel Delivery > Intake Manifolds
• condition: Used

seller inputmanifolds:

• city: Fordland, Missouri
• rating: 99.3%
• # reviews: 2291

returns inputmanifolds:

• policy: No Returns

payments inputmanifolds:

• credit card: Visa
• other
• wallet: Google-pay

offer inputmanifolds:

• quantity: 1
• availability: In Stock
• options: Ship-to-home
• started: March 1, 2025
• sold: 0

shipping inputmanifolds:

• type: Fixed
• class: Standard
• service: UPS Ground
• carrier: UPS
• cost: $0.00
• transit: 4-9 Days

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