HOLLEY 4643-S Barrel Ratrod Hotrod 152 08977

( Brand: Holley ), ( Manufacturer Part Number: 4643-S ), ( Type: Carburetor ), ( Manufacturer Warranty: No Warranty ), ( Vintage Part: Yes ), ( Country Of Origin: United States )

Review HOLLEY Vintage Ford List Date 152 Barrel Ratrod Hotrod

The Holley 4643-S is a high-performance carburetor specifically designed for Ford applications, including hot rods and rat rods with a 152 cubic inch (2.5 liter) engine and an 08977 intake manifold. This carburetor is part of Holley's Classic Series, which combines classic styling with modern performance features.

The 4643-S is a 152 barrel carburetor, meaning it features 152 individual fuel metering jets to ensure precise fuel delivery for optimal engine performance. The jets are adjustable, allowing you to fine-tune your engine's fuel mixture for various driving conditions.

This carburetor features Holley's proven vacuum secondary system, which uses a secondary diaphragm to provide additional fuel for improved idle quality and throttle response. The vacuum secondary system is fully adjustable, allowing you to fine-tune your engine's idle and power characteristics to your specific application.

The 4643-S is also equipped with Holley's unique Accelerator Pump Kit, which includes an adjustable accelerator pump and a high-performance fuel pump. The adjustable accelerator pump provides an additional fuel source during rapid throttle openings, such as during hard acceleration. The high-performance fuel pump delivers ample fuel flow to the carburetor, ensuring consistent fuel delivery even under high engine demand.

The 4643-S is constructed from high-quality materials, including a billet aluminum base and a cast aluminum body. The base features threaded holes for easy mounting, and the body is finished in a classic Holley blue coating. The carburetor also includes a chrome air cleaner assembly, adding a touch of style to your engine bay.

Overall, the Holley 4643-S is a high-performance carburetor that delivers precise fuel delivery, improved idle quality, and responsive throttle characteristics for Ford hot rods and rat rods with a 152 cubic inch engine and an 08977 intake manifold. Its classic styling and modern performance features make it a popular choice among enthusiasts looking to build a high-performance, stylish engine for their vintage Ford.

The Holley 4643-S Ford 4150 152 CFM 4-barrel carburetor (part number 08977) is a popular choice for hot rod and rat rod applications due to its classic appearance and reliable performance. Here are some pros and cons to help you make an informed decision about purchasing this carburetor.

1. Classic Appearance: The 4150 series carburetors are widely used in hot rods and rat rods because of their classic look. This carburetor is no exception, with its polished aluminum finish and chrome accents.

2. Wide Range of Applications: The Holley 4643-S carburetor is suitable for a wide range of Ford applications, including small-block Ford engines with up to 550 horsepower.

3. Easy-to-Tune: Holley carburetors are known for their ease of tuning, making it a popular choice among DIY enthusiasts and professional mechanics.

4. High Flow Rate: With a flow rate of 152 CFM, this carburetor can handle a good amount of airflow, making it suitable for high-performance applications.

5. Easy to Install: The Holley 4643-S carburetor comes with all the necessary hardware for installation, making it a relatively easy installation process.

1. Expensive: Compared to other aftermarket carburetors, the Holley 4643-S is on the pricier side.

2. Requires Proper Tuning: Proper tuning is essential to ensure optimal performance, which may require additional time and resources.

3. May Require Additional Accessories: Depending on your specific engine setup, you may need additional accessories such as fuel pressure regulators or intake manifolds to make the carburetor work properly.

4. May Not Be Suitable for Extremely High Horsepower Applications: While the Holley 4643-S can handle up to 550 horsepower, it may not be suitable for extremely high horsepower applications.

In conclusion, the Holley 4643-S Ford 4150 152 CFM 4-barrel carburetor is a high-quality, reliable, and easy-to-tune option for hot rod and rat rod applications. Its classic appearance and wide range of applications make it a popular choice among enthusiasts. However, it comes with a higher price tag and may require additional accessories for proper installation and tuning. Ultimately, if you're looking for a carburetor that offers good performance, ease of tuning, and a classic look, the Holley 4643-S is a worthy investment.

Details:

Have included rates for USPS Ground Advantage and Priority, so you can choose which one is best your area. Let me know if you would like any other views. Please review all photos - I've tried to show views. Been sitting on shelf for years, at least 15 years or more.

Needs rebuild. The photos you are seeing is actual part being sold. Please review all photos for and condition. WYSIWYG What You See Is What Get.

Vintage Holley Ford List 4643 Date 152. 2 barrel 08977 ?, It looks like list number has a S look at close-ups to determine what you think it is.

part #: 4643 prices

• $49.99-$85.99

specifications carbcoon:

• for makes: Ford
• brand: Holley
• mpn: 4643-s
• type: Carburetor
• manufacturer warranty: No Warranty
• vintage part: Yes
• country of origin: United States

seller carbcoon:

• # reviews: 2316
• rating: 100.0%
• city: Lees Summit, Missouri

general carbcoon:

• condition: For parts or not working
• Car Truck Parts Accessories > Air Fuel Delivery > Carburetors

payments carbcoon:

• wallet: Paypal
• credit card: Diners-club
• other

shipping carbcoon:

• transit: 4-9 Days
• carrier: USPS
• cost: $13.15
• type: Calculated
• class: Standard, Expedited
• service: USPS Ground Advantage, USPS Priority Mail

offer carbcoon:

• availability: In Stock
• best offers: True
• options: Ship-to-home
• sold: 0
• started: October 25, 2025
• quantity: 1

returns carbcoon:

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

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