HOLLEY 5O2-3557 Carburetor Body 4-BARREL

( Brand: Holley ), ( Type: Mercury ), ( Manufacturer Part Number: 5O2-3557 ), ( Country Of Origin: United States )

Review HOLLEY 4-barrel Carburetor Main Body 3557 5o2 Ford fits FAIRLANE COMET GT 390 1966

The Holley 502-3557 4-barrel carburetor body is a high-performance replacement for original carburetors on 1966 Ford Fairlane GT 390 and Comet models. This carburetor body is part number 3557 of the Holley 502 series, and is specifically designed to deliver improved airflow and fuel mixture for enhanced power and drivability.

This carburetor body features Holley's classic four-barrel design, which utilizes four separate throttle bore openings to provide optimal airflow to each cylinder. The body is constructed from high-grade aluminum, ensuring lightweight durability and excellent heat dissipation.

The Holley 502-3557 carburetor body is compatible with a range of Holley performance parts, including high-performance intake manifolds, high-flow fuel pumps, and high-performance fuel injectors. It also includes Holley's innovative "Dominator" style bowl gaskets, which provide a leak-free seal and simplify carburetor rebuilds.

The carburetor body comes with a factory-set idle mixture circuit, making it easy to install and tune for optimal performance. It also includes Holley's "Select-a-Vac" secondary metering system, which allows for easy vacuum secondaries tuning for different applications.

The Holley 502-3557 4-barrel carburetor body is designed to deliver a powerful and consistent fuel mixture, providing excellent throttle response and increased horsepower. It is ideal for high-performance applications and is a popular choice among hot rod and muscle car enthusiasts.

The Holley 502-3557 carburetor body is backed by Holley's industry-leading warranty, ensuring peace of mind and long-lasting performance. It is easy to install and is compatible with a wide range of performance parts, making it a versatile and powerful upgrade for any 1966 Ford Fairlane GT 390 or Comet.

The Holley 502-3557 4-barrel carburetor body 3557 502 1966 is a popular choice for restoring or upgrading a 1966 Ford Fairlane GT 390 or Comet. Here are some potential pros and cons of purchasing this carburetor:

1. Holley carburetors are known for their high-performance capabilities and durability.

2. This specific model is designed to fit 1966 Ford Fairlane GT 390 and Comet applications, making it a direct replacement.

3. Holley offers various options for customizing the carburetor, such as different air cleaner designs and fuel system configurations.

4. The carburetor has a large 670 CFM primary venturi and 770 CFM secondary venturis, which can provide excellent air and fuel flow for high-performance applications.

1. Holley carburetors can be more expensive than some other aftermarket options.

2. Installing the carburetor may require some mechanical knowledge and experience.

3. Holley carburetors may require more frequent tuning and adjustments compared to stock carburetors.

The Holley 502-3557 4-barrel carburetor body 3557 502 1966 is a high-performance and durable option for restoring or upgrading a 1966 Ford Fairlane GT 390 or Comet. However, it may come with a higher price tag and require more mechanical knowledge and tuning compared to stock carburetors. Ultimately, the decision to purchase this carburetor depends on the individual's budget, mechanical abilities, and performance goals for their vehicle.

If you are looking for a high-performance carburetor for your 1966 Ford Fairlane GT 390 or Comet and have the budget and mechanical skills to install and tune it, the Holley 502-3557 4-barrel carburetor body 3557 502 1966 is a great choice. However, if you are on a tighter budget or prefer a more straightforward installation process, you may want to consider other aftermarket or stock carburetor options.

part # 5o23557 price

• $34.50

specifications carbcaddie:

• for models: Gt, 390, Fairlane, Comet
• for makes: Ford
• for years: 1966
• brand: Holley
• type: Mercury
• manufacturer part number: 5O2-3557
• country of origin: United States

seller carbcaddie:

• rating: 100.0%
• # reviews: 34326

shipping carbcaddie:

• class: Standard
• type: Calculated
• carrier: USPS
• transit: 3-8 Days
• cost: $0.00
• service: USPS Ground Advantage

general carbcaddie:

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

returns carbcaddie:

• time: 30 Days
• paid by: Buyer
• policy: Returns Accepted

payments carbcaddie:

• credit card: Discover
• wallet: Paypal
• other

offer carbcaddie:

• best offers: True
• availability: In Stock
• quantity: 1
• options: Ship-to-home
• started: April 29, 2026
• sold: 0

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