Skip to product information
1 of 6
Factory Outlet

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.

In stock

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

  • Y-Block V8 4-Barrel Design: Fits 272, 292, and 312 cu in (4.5L, 4.8L, 5.1L) Y-block V8 engines from the 1955–1957 model years
  • Square-Bore Carburetor Flange: Accepts a single square-bore 4-barrel carburetor for proper fuel delivery; spread-bore carburetors require an adapter
  • Lightweight Aluminum Construction: Weighs less than a cast-iron intake and helps dissipate heat
  • Satin Finish: Clean, period-appropriate appearance for restorations and classic builds

Description

The intake accepts a single square-bore 4-barrel carburetor, making it a well-matched upgrade for 1955, 1956, and 1957 Thunderbirds equipped with the 292 or 312 Y-block. Whether you're restoring a first-generation Thunderbird to driving condition, building a mild performance street car, or upgrading a 312 Y-block for improved response and output, this aluminum intake delivers the fitment accuracy early Ford enthusiasts need.

Constructed from lightweight aluminum, this intake reduces engine weight compared to the heavier factory cast-iron unit and dissipates heat more efficiently to help maintain lower intake charge temperatures. The satin finish gives 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, 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 matches the port geometry and bolt pattern of 272, 292, and 312 cubic inch Y-block engines. First-generation Thunderbirds (1955–1957) were powered by the 292 or 312, while the 272 was used in other Ford passenger cars. 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 a single square-bore 4-barrel carburetor, providing the fuel metering needed for reliable performance in early Ford carbureted applications.

Performance Benefits
This aluminum Y-block intake supports improved airflow compared to the restrictive factory cast-iron unit, helping the engine breathe more freely for better throttle response and improved 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 keeping 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

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, Windsor small block, or Cleveland engines

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

Q&A

Will this intake manifold fit my 1955, 1956, or 1957 Thunderbird?
Yes. It is designed for 1955–1957 Thunderbirds equipped with Y-block V8 engines. Thunderbirds of these years came with either the 292 or the 312 cubic inch Y-block, and this manifold fits both.

Which Y-block engine sizes does this intake fit?
It fits Ford Y-block V8 engines in 272 (4.5L), 292 (4.8L), and 312 (5.1L) cubic inch displacements.

What type of carburetor does this intake manifold use?
It is designed for a single square-bore 4-barrel carburetor. Spread-bore carburetors require an adapter.

Will this intake fit a 1958 or later Thunderbird?
No. Ford changed to a different engine family after the 1957 model year, so this manifold is not compatible with 1958 and later Thunderbirds.

Does this manifold fit 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 vehicles with a Y-block engine?
It is designed to fit 272, 292, and 312 Y-block engines, including those in the other Y-block-equipped Ford passenger cars listed above. 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, which reduces engine weight and improves heat dissipation compared to factory cast-iron intakes.

What finish does this intake manifold have?
It has a satin finish that provides a clean, period-correct appearance for 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. The carburetor is also sold separately.

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, and the 4-barrel carburetor design supports improved airflow and throttle response for Y-block 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.