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

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.

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.

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