OFFENHAUSER 5906 Top Duel Tunnel Intake Manifold 396/454

( Brand: Offenhauser ), ( Type: Tunnel Ram Top ), ( Engine Size: Chevy Big Block ), ( Manufacturer Part Number: 5906 ), ( Country/region Of Manufacture: United States ), ( Vintage Part: Yes )

Review OFFENHAUSER Chevy 396/454 Duel Tunnel Top Intake Manifold fits QUAD RAM 396 454

Introducing the Offenhauser 5906 Tunnel Ram Top Intake Manifold, a high-performance upgrade for your Chevy 396 or 454 engine. This manifold is designed for use with dual quad carburetors, delivering an exceptional air flow rate for enhanced power and torque.

The Offenhauser 5906 is meticulously crafted from premium aluminum, ensuring a lightweight yet robust construction that can withstand the demands of high-performance racing applications. Its tunnel ram design allows for a straight shot of air from the carburetors to the engine, reducing turbulence and maximizing air flow efficiency.

One of the most distinctive features of this intake manifold is its unique dual-plane design. Each quad carburetor is fed by its own separate intake runner, creating an optimal air/fuel mixture for each cylinder bank. This design not only improves combustion efficiency but also helps to reduce cylinder-to-cylinder interference, resulting in smoother engine operation and improved power output.

The 5906 manifold also comes with a set of precision-machined intake ports, designed to provide an excellent seal with the carburetor gaskets and ensure a perfect fit. Each port is meticulously finished to provide a smooth, unobstructed path for air to flow from the carburetor to the engine.

Installing this intake manifold is a straightforward process, thanks to its thoughtfully designed mounting points and comprehensive hardware kit. The Offenhauser 5906 comes with all necessary hardware, including bolts, gaskets, and spacers, ensuring a secure and reliable installation.

Upgrading to the Offenhauser 5906 Tunnel Ram Top Intake Manifold is an excellent investment for any Chevy 396 or 454 engine enthusiast looking to maximize power and torque. Its unique dual-plane design, premium aluminum construction, and straightforward installation make it a top choice for high-performance applications.

Offenhauser 5906 Chevy 396/454 Duel Quad Tunnel Ram Top Intake Manifold: A Detailed Analysis

The Offenhauser 5906 Chevy 396/454 Duel Quad Tunnel Ram Top Intake Manifold is a high-performance intake system designed for the Chevrolet 396 and 454 engines. This intake manifold is widely recognized for its ability to enhance the engine's power and torque output. In this analysis, we will discuss the pros and cons of this intake manifold to help you make an informed decision.

1. Enhanced Power and Torque: The Offenhauser intake manifold is designed to provide optimum airflow to the engine, resulting in increased power and torque output. This can lead to improved acceleration and better overall performance.

2. Dual Quad Configuration: The dual quad configuration of the intake manifold allows for two sets of four-barrel carburetors, which can provide better fuel distribution and improved air/fuel mixture. This can lead to improved combustion efficiency and better overall engine performance.

3. Tunnel Ram Design: The tunnel ram design of the intake manifold allows for a more direct and efficient airflow path from the carburetors to the engine cylinders. This can lead to improved engine response and better throttle response.

4. High-Quality Construction: The Offenhauser intake manifold is constructed from high-quality materials, including aluminum and steel. This ensures durability and reliability, even under high-performance conditions.

1. Complex Installation: Installing the Offenhauser intake manifold can be a complex process, requiring extensive modification to the engine and the vehicle's engine bay. This can be time-consuming and may require professional assistance.

2. Expensive: The Offenhauser intake manifold is a high-performance component, and as such, it comes with a premium price tag. This may be a significant investment for some enthusiasts.

3. Fuel System Upgrades: To utilize the full potential of the Offenhauser intake manifold, upgrades to the fuel system may be required. This can add to the overall cost and complexity of the project.

The Offenhauser 5906 Chevy 396/454 Duel Quad Tunnel Ram Top Intake Manifold is a high-performance component that can significantly enhance the power and torque output of the Chevrolet 396 and 454 engines. However, it comes with some drawbacks, such as a complex installation process, a premium price tag, and the requirement for fuel system upgrades.

If you are an enthusiast looking for maximum performance from your Chevrolet engine and have the time, resources, and expertise to install the intake manifold yourself, then this component may be worth considering. However, if you are looking for a more affordable and less complex solution, there may be other options available to you. Ultimately, the decision to purchase the Offenhauser intake manifold depends on your budget, time constraints, and performance goals.

Details:

No cracks or welds damage. Good used shape. All threads look good. Offenhauser 5906 tunnel Ram top.

Ready to bolt on and Howl. Used so it could have tiny scrapes or scratches.

part #: 5906 prices

• $147.63-$1686.25

specifications inputmanifolds:

• for models: 396, 454, Quad, Ram
• for makes: Chevy
• brand: Offenhauser
• type: Tunnel Ram Top
• engine size: Chevy Big Block
• manufacturer part number: 5906
• country/region of manufacture: United States
• vintage part: Yes

seller inputmanifolds:

• # reviews: 3696
• rating: 100.0%
• city: Rio Linda, California

general inputmanifolds:

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

returns inputmanifolds:

• policy: No Returns

payments inputmanifolds:

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

shipping inputmanifolds:

• type: Fixed
• service: Standard
• cost: $30.00
• class: Standard
• transit: 3-8 Days

offer inputmanifolds:

• availability: In Stock
• sold: 0
• started: June 23, 2025
• options: Ship-to-home
• quantity: 1

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