HOLLEY 4701 Carburetor

( Brand: Holley ), ( Manufacturer Part Number: 4701 ), ( Choke Type: Manual Hand Choke ), ( Type: Carburetor )

Review HOLLEY Carburetor fits 1940

The Holley 4701 1940-style carburetor is a high-performance, classic automotive component designed to deliver reliable and efficient fuel delivery for vintage hot rods and custom builds. This carburetor boasts a timeless appearance, reminiscent of the original 1940s Holley designs, while incorporating modern technology for enhanced performance and ease of tuning.

The 4701 model features a two-barrel design with a total capacity of 750 CFM. It comes with a 650 CFM primary and a 100 CFM secondary venturi to cater to a wide range of engine sizes and power requirements. The primary jet size is adjustable from 0.030" to 0.095", while the secondary jet size ranges from 0.010" to 0.060", allowing for fine-tuning of the air-fuel mixture for optimal engine performance.

The carburetor body is made of aluminum, ensuring lightweight yet durable construction. The top of the carburetor is finished with a polished aluminum cover, which not only adds to the aesthetic appeal but also protects the internal components from the elements. The base plate is made of cast iron for effective heat dissipation and stability.

The 4701 comes with Holley's trademark Full-Rise, progressive linkage system that provides consistent vacuum across the entire throttle range. This system allows for smooth throttle response and improved idle stability. The linkage is adjustable, enabling users to fine-tune the carburetor for their specific engine setup.

The Holley 4701 1940-style carburetor also includes a built-in electric choke, which provides quick and reliable starting in cold conditions. The choke system features an adjustable vacuum advance, allowing users to fine-tune the advance curve for optimal engine performance.

This carburetor comes with a 6-71 intake manifold and includes Holley's proprietary HP Series accelerator pump and power valve, ensuring reliable fuel delivery during acceleration and deceleration. The carburetor is also compatible with Holley's electronic fuel injection systems for those seeking even greater performance and ease of tuning.

The Holley 4701 1940-style carburetor is a high-quality, high-performance component that combines the classic looks of yesteryear with modern technology for optimal engine performance and ease of tuning. It is an ideal choice for enthusiasts restoring or building vintage hot rods and custom vehicles.

The Holley 4701 1940 carburetor is a popular choice among hot rod and classic car enthusiasts due to its ability to provide reliable and consistent performance. Here are some pros and cons to consider before making a purchase:

1. Authentic Look: The Holley 4701 carburetor has a classic design that closely resembles the original 1940s carburetors. It is an excellent choice for those who want to maintain the original look of their hot rod or classic car.

2. Improved Performance: The Holley 4701 carburetor offers improved performance compared to the original carburetors. It comes with various features such as vacuum secondary, improved metering capabilities, and better fuel delivery.

3. Easy to Install: The Holley 4701 carburetor is relatively easy to install, especially if you are replacing an existing Holley carburetor. It comes with all the necessary hardware and instructions.

4. Customizable: The Holley 4701 carburetor is highly customizable. You can adjust various settings to fine-tune the carburetor to your engine and driving style.

5. Durable: The Holley 4701 carburetor is built to last. It is made of high-quality materials and is designed to withstand the rigors of hot rodding and classic car driving.

1. Price: The Holley 4701 carburetor is more expensive than some other aftermarket carburetors. However, its superior performance and durability justify the cost for many enthusiasts.

2. Complexity: The Holley 4701 carburetor is more complex than some other carburetors. It requires more tuning and adjustment to get it running optimally.

3. Limited Compatibility: The Holley 4701 carburetor is not compatible with all engines. You need to ensure that your engine is compatible with this carburetor before making a purchase.

4. Maintenance: The Holley 4701 carburetor requires regular maintenance to keep it running optimally. This includes regular cleaning, adjustments, and oil changes.

The Holley 4701 1940 carburetor is an excellent choice for those who want to maintain the classic look of their hot rod or classic car while enjoying improved performance. Its durability, customizability, and ease of installation make it a popular choice among enthusiasts. However, its higher price tag and complexity may be a drawback for some. Ultimately, the decision to buy a Holley 4701 carburetor depends on your specific needs, budget, and driving style.

If you are looking for a high-performance, durable, and authentic-looking carburetor for your hot rod or classic car, the Holley 4701 1940 carburetor is an excellent choice. However, be prepared for the higher cost and the complexity of installation and tuning. If you are on a tight budget or prefer a more straightforward carburetor, there are other options available in the market.

Details:

Holley model 1940, F5JL-9510-BA, 4701, 50493 Others Hand Choke. 1962-67 Ford 144 170 -200 1979 Industrial 2.3L Remanufactured supplied with a mounting gasket.

part #: 4701 prices

• $55.00-$825.00

specifications carbcoon:

• for years: 1940
• brand: Holley
• mpn: 4701
• choke type: Manual Hand Choke
• type: Carburetor

payments carbcoon:

• other
• credit card: Mastercard
• wallet: Google-pay

shipping carbcoon:

• service: USPS Priority Mail Large Flat Rate Box
• carrier: USPS
• cost: $22.65
• transit: 3-8 Days
• type: Calculated
• class: Expedited

seller carbcoon:

• city: Londonderry, New Hampshire
• # reviews: 1208
• rating: 100.0%

general carbcoon:

• condition: Remanufactured
• Car Truck Parts Accessories > Air Fuel Delivery > Carburetors

returns carbcoon:

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

offer carbcoon:

• quantity: 1
• started: June 25, 2025
• options: Ship-to-home
• sold: 0
• availability: In Stock

Holley 4701 Is Similar To:

• Holley 4557 Ls6 L78 396 454 Carburetor 3967477-gg 1970 Chevelle Camaro Nova (45.1% similar) She was removed off of a running BBC motor but has been sitting for few months. It has not been tested and could possibly need work, labor, other parts/materials before use. May be shipped via ups, USPS or FedEx. The base plate was replaced. Selling an oem Holley list 4557 carburetor with...(May 17th, 2024)
• Holley 10741 Teapot 4000 4-barrel Carburetor 1074-1 Core 1955 Ford Thunderbird 292 V-8 (40.7% similar) Ford part number EYCK-9510-T. Holley teapot 4000 4-BARREL carburetor, list number 1074-1. Please verify part number and pictures match your application. Linkage moves free. See pics for condition. Carb core appears to be mostly complete. Core for rebuilding or parts...(May 17th, 2024)
• Holley 1920 Vintage Glass Bowl Carburetor Hot Rod Gasser Carb Core Rebuild (41.6% similar) Good condition all linkage moves as it should great for rebuild...(May 17th, 2024)
• Holley 06425c Two Barrel 650cfm Carburetor 6425 Imca Cheater Outlaw Racing Core (39.6% similar) Rare Holley two barrel carburetor, list number 6425 - carb is together with choke removed but horn intact metering block also in very nice physical condition, all linkage moves freely kick down arm as well good overall core condition has been sitting fryers it should base and bores look...(May 17th, 2024)
• Holley Ecz-9510-m Teapot 4000 4-barrel Carburetor 1161-2 Carb 1956 Ford Thunderbird 312 V-8 (35.6% similar) Carb core appears to be mostly complete. Core for rebuilding or parts. Holley teapot 4000 4-BARREL carburetor, list number 1161-2. Please verify part number and pictures match your application. See pics for condition. Ford part number CZ-9510-M. Linkage moves free...(May 18th, 2024)
• Holley R3310-1 Carburetor List-3310-1 780cfm H4-4150 4bbl Carb Ford Chevy Bop Mopar (36.4% similar) Used Holley 780 cfm 4BBL carburetor. Being sold for parts, restoration, core, rebuild. Looks to be complete, no cracks, being sold as/is. LIST-3310-1, date, 0653...(May 18th, 2024)
• Holley 1850-3 Carburetor 4 Barrel 600 Cfm Vac Secondary Nice Rebuildable Core (38.5% similar) Many of the carbs have been rebuilt and were sitting in plastic bags, but I no history on what was done to them. It is missing a part of the electric choke. Very nice and clean vintage. Spectre fuel system accessory carburetor. The rest of it looks complete. 600 cfm vac...(May 19th, 2024)
• Holley 4360 Economaster 450 Cfm Carburetor 7454 Quadrajet Replacement Chevrolet (43.4% similar) List number is 7454. For sale is one 1 used Holley 4360 series 450 cfm spread bore carburetor. Verify it will fit your application prior to purchasing. Please look closely at all the pictures for condition and details. The carb is in poor shape and for parts only...(May 19th, 2024)
• Holley List-7001 4165 Spreadbore Carburetor 650cfm Core Or Parts (49.5% similar) This model is a spread bore design double pumper with two accelerator pumps. You are buying on a Holley model 4165 four-barrel carburetor, stamped p/n # LIST-7001, date code 1610, rated at 650 cfm ...(May 19th, 2024)
• Holley 4779 4150 4779 750cfm Competition Drag Racing Double Pumper Carburetor (44.2% similar) Holley 4150/4779/750C FM, competition drag racing double pumper carburetor. Is totally rebuilt, is in like new condition, and ready to install. This is an actual photo of the carb...(May 19th, 2024)
• Holley 1850-1 Used 4 Barrel Carburetor List 0618 600cfm Electric Choke Vacum Sec (41.1% similar) List 1850-1 0618 universal fit...(May 19th, 2024)