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Item #:
14268580
Holley 0-4777C 650 CFM Double Pumper Carburetor
Item #:
14268580
ZMW 27278
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This carburetor has dual metering blocks, dual feed fuel inlets, and dual accelerator pumps for fine tuning of secondary jetting.
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What Stands Out
High Performance
The Holley 0-4777C carburetor offers 650 CFM, ensuring optimal air and fuel mixture for high-performance engines, enhancing horsepower and acceleration.
Dual Fuel Feed
With its double pumper design, this carburetor provides instant throttle response and improved fuel delivery, ideal for street or race applications.
Adjustable Settings
Easily tune the Holley 0-4777C for various driving conditions with its adjustable float levels and simple jet changes, allowing for personalized performance.
Product Details
- 650 CFM double pumper carburetor with mechanical secondary dual accelerator pump
- Dual feed fuel inlet with mechanical secondary type and dichromate finish
- Center hung floats and 100% wet-flow tested for street drivability
- Features dual metering blocks, power valve blow-out protection, and manual choke
- Calibrated for gasoline with limited warranty
- Ideal for fine tuning secondary jetting and easy control of engine warm-up
| Brand Name | Holley |
| Model Number | 0-4777C |
| OEM Equivalent Part Number | 0-4777C |
| Global Trade Identification Number | 00090127470022 |
| Manufacturer | Holley |
| UPC | 090127470022 |
| Manufacturer Part Number | 04777C |
| Included Components | Holley 0-4777C 650 CFM Double Pumper Carburetor |
| Item Weight | 0.01 Ounces (0.28 grams) |
| Item Type Name | Holley 0-4777C 650 CFM Double Pumper Carburetor |
| Compatible with Vehicle Type | Car |
| Flange Type | Square Bore |
| Fuel Type | Gasoline |
| Exterior Finish | Machined |
| Specific Uses For Product | Performance,Power |
| Brand | Holley |
| Vehicle Service Type | Car |
What's in the box
Holley 0-4777C 650 CFM Double Pumper Carburetor
Who Should Buy?
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Performance Enthusiasts
Ideal for those seeking maximum horsepower and throttle response in high-performance street or race applications.
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Custom Hot Rods
Perfect for engine swaps and custom builds requiring a reliable and powerful carburetor for optimal performance.
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Weekend Racers
Designed for weekend racers who want quick adjustments and a powerful fuel delivery system for track events.
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Daily Drivers
Not suitable for everyday street use where fuel efficiency and ease of tuning are more impactful.
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Newbies
May be challenging for beginner mechanics or those unfamiliar with carburetor tuning and maintenance.
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Stock Engine Setup
Not ideal for stock or low-power engines that do not require the increased flow and performance features.
Product Description
About This Item
Introducing the Holley 0-4777C Model 4150 Double Pumper 650 CFM Square Bore 4-Barrel Mechanical Secondary Manual Choke New Carburetor! This high-performance carburetor is perfect for racing applications and is specially designed to give your engine the extra boost it needs. The Holley 0-4777C Model 4150 features dual metering blocks, power valve blow-out protection, and dual feed fuel inlets, giving you ultimate control over your engine's performance. The dual accelerator pumps allow for fine tuning of the secondary jetting, ensuring optimal fuel delivery for every driving condition. With a manual choke, this carburetor is easy to control and allows for smooth engine warm-up. The center hung float bowls provide consistent fuel delivery, even during aggressive driving.
The unique shiny/chromate dip finish not only looks great but also provides added durability. This carburetor is 100% wet-flow tested and calibrated, guaranteeing top-notch performance right out of the box. It is calibrated specifically for gasoline, ensuring optimal fuel efficiency and power output. Whether you're upgrading your street car or getting ready for a day at the track, the Holley 0-4777C Model 4150 is the best carburetor for the job. It's also backed by a limited warranty, so you can buy with confidence. Don't settle for anything less than the best.
Choose the Holley 0-4777C Model 4150 Double Pumper 650 CFM Square Bore 4-Barrel Mechanical Secondary Manual Choke New Carburetor and experience the difference in performance and reliability. Order yours today!.
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the Holley 0-4777C 650 CFM Double Pumper Carburetor?
Answer: The Holley 0-4777C 650 CFM Double Pumper Carburetor is a high-performance carburetor designed for enhanced acceleration and throttle response. This carburetor features dual fuel inlets and two mechanical secondaries, ensuring superior fuel delivery for high-output engines. Whether you're racing on the track or driving a modified street vehicle, this carburetor excels in providing a reliable air-fuel mixture, making it an ideal choice for performance enthusiasts. -
Question:
What engines are compatible with the Holley 0-4777C Carburetor?
Answer: The Holley 0-4777C 650 CFM Double Pumper Carburetor is primarily compatible with V8 engines, typically ranging from 302 to 427 cubic inches in displacement. Its design is ideal for engines requiring a high fuel flow and better control at wide-open throttle, making it suitable for muscle cars, classic builds, and race applications. Always consult your engine's specifications or the manufacturer's recommendations to ensure proper compatibility. -
Question:
What makes the double pumper design beneficial?
Answer: The double pumper design of the Holley 0-4777C Carburetor allows for increased airflow and quicker throttle response, especially under full throttle conditions. This setup is particularly beneficial for performance vehicles where instant power delivery is crucial. In practical terms, this means quicker acceleration times and improved performance in demanding driving scenarios, such as racing or spirited driving on back roads. -
Question:
How do I adjust the Holley 0-4777C Carburetor?
Answer: To adjust the Holley 0-4777C Carburetor, you need to start by tuning the idle screws to achieve the desired RPM and air-fuel mixture. Next, adjust the float levels for optimal fuel delivery, and tweak the accelerator pump for precise throttle response. These adjustments can greatly enhance performance, particularly for specific applications like drag racing or cruising. It's advisable to have a tuning kit handy for best results. -
Question:
Can I install the Holley 0-4777C Carburetor myself?
Answer: Yes, you can install the Holley 0-4777C Carburetor yourself, provided you have basic mechanical skills and tools. The installation involves removing the old carburetor, ensuring proper linkage hookup, and making necessary fuel line connections. This DIY approach not only saves on labor costs but also offers hands-on understanding of your vehicle's performance. However, if unfamiliar with carburetors, consider consulting with a professional. -
Question:
What are the common problems with the Holley 0-4777C Carburetor?
Answer: Common issues with the Holley 0-4777C Carburetor include fuel leaks, improper tuning, or clogged jets, which can hinder performance. Users should regularly inspect for leaks around the gaskets and ensure that tuning is set correctly based on driving conditions. This maintenance ensures that the carburetor operates at peak efficiency, especially during high-demand drives like races or heavy acceleration scenarios. -
Question:
What fuel type does the Holley 0-4777C Carburetor require?
Answer: The Holley 0-4777C Carburetor is designed to work best with gasoline, typically with a minimum octane rating of 91 for optimal performance. Higher octane fuels help to prevent pre-ignition and knocking, ensuring that the carburetor delivers the best fuel mixture for enhanced power and efficiency. Performance enthusiasts often prefer premium fuel to maximize the performance and longevity of their engine. -
Question:
Is the Holley 0-4777C suitable for street use?
Answer: Yes, the Holley 0-4777C 650 CFM Double Pumper Carburetor can be suitable for street use, particularly for performance-oriented builds. Its tuning capabilities allow for adjustments to match street driving conditions, offering a dramatic improvement in throttle response and acceleration. Many vehicle owners use this carburetor in classic cars or performance trucks, making it versatile for both daily driving and weekend racing. -
Question:
What size air filter do I need for the Holley 0-4777C Carburetor?
Answer: The Holley 0-4777C Carburetor typically requires an air filter with a diameter of approximately 14 inches for optimal performance. This size ensures that there is sufficient airflow to meet the demands of the carburetor's CFM rating. Choosing the right filter also influences overall engine performance, so opting for a high-quality, performance-oriented air cleaner will complement the carburetor's capabilities. -
Question:
Where can I buy the Holley 0-4777C 650 CFM Double Pumper Carburetor?
Answer: You can purchase the Holley 0-4777C 650 CFM Double Pumper Carburetor from Ubuy in Zambia. Ubuy offers a variety of automotive performance products and ensures you get genuine parts delivered right to your doorstep. Whether you're a professional mechanic or an enthusiast, Ubuy makes it easy to find and acquire the top-performance components you need for your build.
Holley Carburetors 0-4777C Editorial Review
The Holley 0-4777C Model 4150 Double Pumper 650 CFM Square Bore 4-Barrel Carburetor is generally well-received by customers. It works well out of the box and has been reported to work great on vehicles such as the 77CJ7 with a GM 350 engine. However, some users have experienced issues with metal shavings inside the carburetor, which affected performance on the track. Additionally, there have been complaints about receiving faulty carburetors with damaged parts when purchasing from Amazon. It is recommended to buy performance parts directly from the manufacturer or from legitimate performance websites. Overall, it is a reliable carburetor once any initial issues are addressed.
Customer Reviews & Ratings
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Pros
- Works well out of the box
- Great performance on certain vehicles
Cons
- Potential for metal shavings inside the carburetor
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
ZMW 27278
Order now and get it around Thursday, July 09
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Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
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Features & Benefits
- Dual metering blocks.
- Dual feed fuel inlets.
- Dual accelerator pumps for fine tuning of the secondary jetting.
- Manual choke.
- Center-hung float bowl.
- Calibrated for gasoline.