HOLLEY 04781C Cfm Double Pumper Barrel Carburetor Milled Choke Carb

( Brand: Holley ), ( Manufacturer Part Number: 04781C ), ( Type: Carburetor ), ( Oe/oem Part Number: 0-4781c )

Review HOLLEY Cfm Double Pumper Barrel Carburetor Milled Choke 4781 Carb Used fits 850

The Holley 04781C 850 CFM Double Pumper Barrel Carburetor with Milled Choke, model 4781, is an exceptional automotive performance upgrade for enthusiasts seeking improved fuel delivery and engine performance. This double pumper carburetor boasts an impressive 850 CFM (cubic feet per minute) airflow capacity, ensuring optimal fuel mixture delivery to your engine for increased horsepower and torque.

The carburetor features a unique double pumper design, which includes two vacuum pumps. The first pump operates the primary fuel circuit, while the secondary pump acts on the secondary circuit. This design enhances fuel delivery under high-performance scenarios, such as wide-open throttle or high RPMs, ensuring smooth power delivery and minimal fuel vaporization.

The 4781 carburetor is distinguished by its milled choke design. The choke shape is precision-machined to create a smooth, flat surface, eliminating any choke or air intake restrictions. This design ensures consistent throttle response and improved cold start performance. The choke features a manual operation mechanism, allowing you to fine-tune the idle and cold start settings to meet your specific engine's needs.

Holley's 850 CFM double pumper carburetor is constructed using high-quality materials and components. The barrel is made of polished aluminum, which not only contributes to the carburetor's sleek appearance but also provides excellent heat dissipation. The carburetor also includes a primary and secondary metering block, which are CNC-machined for precise fuel metering and mixture control.

The Holley 04781C 850 CFM Double Pumper Barrel Carburetor with Milled Choke is a popular choice among hot rodders, racers, and enthusiasts looking to upgrade their engine performance. Its robust construction, double pumper design, and milled choke contribute to improved fuel delivery, consistent throttle response, and enhanced engine performance. With this carburetor, you can expect a noticeable improvement in engine power, torque, and overall driving experience.

1. Large CFM (Cubic Feet per Minute) rating of 850, which makes it suitable for high-performance engines.

2. Double pumper design for improved vacuum and fuel delivery.

3. Milled choke mechanism for precise and quick throttle response.

4. High-quality construction using materials like billet aluminum and stainless steel.

5. Easy-to-adjust main jets and idle mixtures for fine-tuning the carburetor.

1. Prices can be relatively high compared to other carburetors in the market.

2. Installation can be complex and may require professional help, especially for first-time users.

3. Maintenance requirements are higher than those of electronic fuel injection systems.

The Holley 04781C 850 CFM Double Pumper Barrel Carburetor Milled Choke is a high-performance carburetor suitable for engines requiring a large amount of air and fuel. Its double pumper design and milled choke provide excellent throttle response and vacuum. However, it is not without its drawbacks, such as a higher price point and complex installation.

If you are comfortable with carburetors and have the necessary mechanical skills, this carburetor can deliver impressive performance and fuel efficiency. If you are not, it might be worth considering a less complex carburetor or an electronic fuel injection system.

Recommendation: If you have the skill set and are looking for a high-performance carburetor, the Holley 04781C 850 CFM Double Pumper Barrel Carburetor Milled Choke is an excellent choice. However, if you are unsure or not confident in your mechanical abilities, it may be best to consult a professional before making a purchase.

Details:

Old School used core Holley 850 double pumper carburetor with choke horn milled off for better off-road performance - Good physical condition carburetor Air was list number 4781 body is casting 3738 base cast 12R-4507B and stamped 71803 metering blocks are 8543 and6499/7047 current jets 78 all linkage moves nice smooth sit should Carb in good condition ready a rebuild former Sportsman drag car has been sitting long time and clean inside out as shown unknown running.

part #: 04781c prices

• $225.00-$699.99

specifications carbcoon:

• for models: 850
• brand: Holley
• mpn: 04781c
• type: Carburetor
• oe/oem part number: 0-4781c

offer carbcoon:

• best offers: True
• options: Ship-to-home
• started: June 27, 2024
• sold: 0
• availability: In Stock
• quantity: 1

seller carbcoon:

• city: Waldo, Wisconsin
• # reviews: 17038
• rating: 100.0%

shipping carbcoon:

• type: Calculated
• service: UPS Ground, USPS Priority Mail
• cost: $26.98
• carrier: UPS, USPS
• class: Standard, Expedited
• transit: 6-12 Days

payments carbcoon:

• credit card: Discover
• wallet: Paypal

returns carbcoon:

• policy: No Returns

general carbcoon:

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

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