HOLLEY 4781-8 Cfm Double Pumper Square Carburetor 4150

( Brand: Holley ), ( Manufacturer Part Number: 4781-8 ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Mounting Flange Type: Square Bore ), ( Features: Down Draft ), ( Vintage Part: Yes ), ( Country/region Of Manufacture: United States )

Review HOLLEY 4150 Cfm Double Pumper Square Bore Carburetor List 4781 Nice fits 850

The Holley 4781-8 4150 850 CFM Double Pumper Square Carburetor is a high-performance, fuel-injection replacement for your classic or modern muscle car. This carburetor is a testament to Holley's legacy of providing top-notch fuel delivery systems for enthusiasts.

The 4781-8 is part of Holley's 4150 series, which is renowned for its reliability, ease of tuning, and versatility. This carburetor comes with an 850 CFM (cubic feet per minute) double pumper design, providing ample fuel flow for high-performance applications. The square-bore design allows for a more efficient fuel/air mixture, resulting in improved engine performance and throttle response.

The double pumper design features two vacuum secondary circuits, each with its own accelerator pump and metering rod. This setup ensures a smooth and consistent power delivery across the entire RPM range. The primary circuit is fed by a 750 CFM accelerator pump, which ensures proper fuel delivery during wide-open throttle conditions.

The Holley 4781-8 is equipped with a multi-port fuel bowl, allowing for easy maintenance and tuning. The bowl can be easily removed for cleaning or adjusting the float level. The carburetor also features a removable air cleaner, making it easy to replace the filter without disrupting the intake system.

The carburetor is equipped with a set of 1.5-inch primary and 1.75-inch secondary venturi, ensuring optimal fuel/air mixture at all engine speeds. The carburetor is also compatible with various fuel systems, including EFI, LS engine, and small-block Ford applications.

The Holley 4781-8 4150 850 CFM Double Pumper Square Carburetor is a high-quality, performance-oriented fuel delivery system that is a great addition to any muscle car. Its reliability, ease of tuning, and versatility make it a popular choice among car enthusiasts. Whether you're looking to boost the performance of your classic car or build a high-performance hot rod, the Holley 4781-8 is a carburetor you can trust to deliver the power you need.

1. High Flow Rate: The carburetor has a high flow rate of 850 CFM, which is ideal for high-performance engines.

2. Double Pumper Design: The double pumper design allows for improved idle quality and fuel economy.

3. Adjustable Idle Mixture: The carburetor has an adjustable idle mixture screw, which allows for fine-tuning of the engine's idle speed and quality.

4. Square Bore Design: The square bore design provides better airflow and fuel distribution, resulting in improved engine performance.

5. Easy Installation: The carburetor is easy to install and comes with all necessary hardware.

1. Price: The carburetor is relatively expensive compared to some other options on the market.

2. Maintenance: Carburetors require regular maintenance, such as cleaning and adjustments, to ensure optimal performance.

3. Fuel Economy: While the double pumper design improves idle quality, it may not be as fuel-efficient as some other types of carburetors.

4. Limited Compatibility: The carburetor may not be compatible with all engines, so it's important to check compatibility before purchasing.

The Holley 4781-8 4150 850 CFM Double Pumper Square Carburetor is a high-performance carburetor that delivers excellent airflow and fuel distribution. Its double pumper design improves idle quality and fuel economy, while its adjustable idle mixture screw allows for fine-tuning of the engine's idle speed and quality. However, the carburetor is relatively expensive and requires regular maintenance. If you're looking for a high-performance carburetor for your engine and are willing to pay a premium, the Holley 4781-8 4150 850 CFM Double Pumper Square Carburetor is an excellent choice.

If you're looking for a high-performance carburetor and have a budget to accommodate it, the Holley 4781-8 4150 850 CFM Double Pumper Square Carburetor is an excellent choice. Its high flow rate, double pumper design, and adjustable idle mixture screw make it ideal for high-performance engines. However, if you're looking for a more affordable option, you may want to consider other types of carburetors that offer similar performance but at a lower price point. It's important to do your research and choose a carburetor that is compatible with your engine and meets your performance needs.

Details:

Also included is the dual feed line and a braided stainless steel inlet. List number stamped on the carb air horn is 4781-8. As the photos show it is NICE. This listing is for a like new Holley 4150 square bore 850 cfm Double Pumper Carburetor.

part #: 47818 prices

• $235.00-$560.00

specifications carbcoon:

• for models: 850
• brand: Holley
• mpn: 4781-8
• choke type: Mechanical
• type: Carburetor
• mounting flange type: Square Bore
• features: Down Draft
• vintage part: Yes
• country/region of manufacture: United States

general carbcoon:

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

returns carbcoon:

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

offer carbcoon:

• best offers: True
• options: Ship-to-home
• started: August 15, 2024
• quantity: 1
• availability: In Stock
• sold: 0

seller carbcoon:

• rating: 99.6%
• # reviews: 2429
• city: Fenton, Michigan

shipping carbcoon:

• type: Fixed
• class: Economy
• transit: 6-16 Days
• cost: $28.85
• service: Economy

payments carbcoon:

• credit card: American-express
• other
• wallet: Google-pay

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