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1955-1957 Ford Thunderbird 4 Barrel 4V Aluminum Intake Manifold, ECB-9425-B 272,292,312 - Satin

1955-1957 Ford Thunderbird 4 Barrel 4V Aluminum Intake Manifold, ECB-9425-B 272,292,312 - Satin

SKU: SKU: 539424

Regular price $285.00
Sale price $285.00 Regular price
Shipping calculated at checkout.

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Top Street Performance (TSP) is committed to providing high-quality performance parts while complying with emissions regulations. This product is designed for use on vehicles that comply with federal emissions regulations. It is the customer’s responsibility to verify that this part is legal for use in their state or local jurisdiction. Check with your local emissions authority before purchasing.

Product Details

Features

  • Ford Y-Block 4-Barrel Design: Fits 272, 292, and 312 Y-block V8s in 1955–1957 Thunderbirds
  • Square-Bore Carburetor Compatible:Accepts three square-bore carburetors for proper fuel delivery
  • Lightweight Aluminum Construction: Reduces weight and improves heat dissipation over cast iron
  • Satin Finish: Show-quality appearance suited for Thunderbird restorations and classic builds

Description

Upgrade your classic 1955–1957 Ford Thunderbird with the Top Street Performance Aluminum 4-Barrel Intake Manifold, engineered specifically for Ford Y-Block V8 engines. Compatible with the 272, 292, and 312 cubic inch Y-block V8, this Thunderbird intake manifold is designed to improve airflow and fuel delivery for better throttle response and performance in early Ford carbureted applications.

The ECB-9425-B intake manifold accepts three square-bore carburetors, making it a well-matched upgrade for 1955, 1956, and 1957 Ford Thunderbirds equipped with Y-block engines. Whether you're restoring a first-generation Thunderbird to driving condition, building a mild performance street version, or upgrading a 312 Y-block for improved response and output, this aluminum intake delivers the fitment accuracy and performance characteristics that early Ford enthusiasts need.

Constructed from lightweight aluminum, this Y-block intake manifold reduces engine weight compared to heavier factory cast-iron units and dissipates heat more efficiently to help maintain lower intake charge temperatures. The satin finish delivers a clean, period-appropriate appearance that complements restored engine bays and custom builds alike.

If you're searching for a direct-fit 4-barrel intake for a Ford Y-block 272, 292, or 312 V8 in a 1955–1957 Thunderbird, this manifold provides the fitment accuracy, aluminum construction, and carburetor compatibility that classic Ford builds demand.

 

Y-Block Intake Design
Engineered specifically for the Ford Y-Block V8 family, this intake manifold is designed to match the unique port geometry and bolt pattern of 272, 292, and 312 cubic inch Y-block engines found in 1955–1957 Ford Thunderbirds. The 4-barrel design supports improved air and fuel delivery over the factory intake configuration, promoting better throttle response and more consistent power delivery across the operating range. The manifold accepts three square-bore carburetors, providing the proper fuel metering needed for reliable performance in early Ford carbureted applications.

Performance Benefits
This aluminum Y-block intake manifold supports improved airflow compared to restrictive factory cast-iron units, helping the Ford Y-block V8 breathe more freely for better throttle response and improved engine output. Whether you're upgrading a numbers-correct 312 Thunderbird or building a mild street performer from a 272 or 292 Y-block, this manifold provides a meaningful airflow improvement over the original equipment intake while maintaining compatibility with period-correct carburetor setups.

Specs

Carburetor Quantity 1
Engine Block Style Standard deck height
Manifold Finish Satin
Manifold Material Aluminum
Intake Port Shape Rectangle

Engine Fitment

COMPATIBLE WITH
FORD Y-BLOCK V8 ENGINES
• 4.5L / 272 in³
• 4.8L / 292 in³
• 5.1L / 312 in³

COMMON VEHICLE APPLICATIONS
• Ford Thunderbird (1955-1957)
• Ford Fairlane (Y-Block Equipped)
• Ford Crown Victoria (Y-Block Equipped)
• Ford Customline (Y-Block Equipped)
• Ford Mainline (Y-Block Equipped)
• Ford Ranch Wagon (Y-Block Equipped)
• Ford Passenger Car Y-Block Conversions

NOTES
• Fits Ford Y-Block V8 engines.
• Reproduction of the factory ECB-9425-B / ECZ-9425-B intake manifold design.
• Designed for square-bore 4-barrel carburetors.
• Aluminum construction reduces weight versus original cast iron manifolds.
• Compatible with 272, 292, and 312 Y-Block cylinder heads.
• Not compatible with Ford FE-series engines.
• Not compatible with Ford Windsor small block engines.
• Not compatible with Ford Cleveland engines.

Q&A

Will this intake manifold fit my 1955, 1956, or 1957 Ford Thunderbird?
Yes. This manifold is designed specifically for 1955-1957 Ford Thunderbirds equipped with Y-Block V8 engines in 272, 292, or 312 cubic inch displacements.

Which Ford Y-Block engine sizes does this intake fit?
This intake manifold is compatible with Ford Y-Block V8 engines in 272 (4.5L), 292 (4.8L), and 312 (5.1L) cubic inch displacements.

What type of carburetors does this intake manifold use?
This manifold is designed for three square-bore carburetors. Confirm carburetor bore pattern compatibility before installation, as spread-bore carburetors require adapters.

Will this intake fit a 1958 or later Thunderbird?
No. Ford transitioned to a different engine family after the 1957 model year. This manifold is designed specifically for 1955-1957 Y-Block Thunderbird applications.

Does this manifold fit Ford Windsor, Cleveland, or FE engines?
No. This intake is engineered exclusively for the Ford Y-Block V8 family and is not compatible with Windsor, Cleveland, FE, or other Ford V8 engine families.

Will this fit other Ford or Mercury vehicles from the mid-1950s with a Y-Block engine?
This manifold is specifically intended for 1955-1957 Ford Thunderbird applications. If installing on another Y-Block-equipped vehicle, verify cylinder head, intake port, and bolt pattern compatibility before purchase.

Is this intake manifold made from aluminum?
Yes. It is constructed from lightweight aluminum, helping reduce engine weight and improve heat dissipation compared to factory cast-iron intakes.

What finish does this intake manifold have?
This manifold features a satin finish that provides a clean, period-correct appearance for Thunderbird restorations and classic Ford builds.

Do I need special gaskets for this intake?
Intake gaskets are not included. Use Y-Block-specific intake gaskets to ensure proper sealing. Consult your gasket supplier for the correct application.

Is this a good upgrade over the factory Y-Block intake?
Yes. The aluminum construction reduces weight and improves heat dissipation compared to the factory cast-iron intake, while the tri-power design supports improved airflow, carburetion, and throttle response for Ford Y-Block V8 applications.

Emissions Notice

This Top Street Performance (TSP) product is designed for racing and off-road competition use only. It is not legal for use on public roads or emissions-controlled vehicles and does not comply with federal, state, or local emissions regulations. The buyer assumes all responsibility for legal use and installation.