HOLLEY 4781-4 Cfm
fits model: 850.
( Brand: Holley )
Review HOLLEY Cfm fits 850
The Holley 4781-4 is a high-performance, 850 CFM double pumper carburetor that is designed for serious enthusiasts and race car builders. This carburetor features a unique dual-pump design, which allows it to deliver a consistent fuel mixture even under high engine loads and RPMs.
The Holley 4781-4 is equipped with a 1050 CFM primary and a 400 CFM secondary venturi, which provides a wide fuel curve and excellent throttle response. The carburetor also features a built-in accelerator pump and power valve, which helps to eliminate fuel starvation and ensure smooth power delivery.
The carburetor's bowl is made of aluminum, which is lightweight and durable, and is designed to hold a large fuel volume for extended runs. The carburetor's float level is adjustable, which allows you to fine-tune the fuel mixture for optimal performance.
The Holley 4781-4 is equipped with a high-quality, chrome-plated, adjustable linkage, which provides precise control over the carburetor's functions. The linkage is also designed to be easy to adjust, which makes it a great choice for those who are new to carburetor tuning.
The carburetor's air cleaner is designed to provide excellent airflow and is equipped with a replaceable filter. The air cleaner also features a removable cover, which makes it easy to access the filter for replacement.
The Holley 4781-4 is a high-quality, high-performance carburetor that is designed to deliver consistent fuel mixture and smooth power delivery, even under high loads and RPMs. It is a great choice for serious enthusiasts and race car builders who are looking for a carburetor that can handle the demands of high-performance engines.
Pros of buying a 4781-4 Holley 850 CFM carburetor:1. High CFM (Cubic Feet per Minute) rating of 850, suitable for high-performance vehicles and racing applications.
2. Four-barrel design for improved throttle response and fuel efficiency.
3. Constructed with a durable aluminum body, making it lightweight and resistant to corrosion.
4. Easy to tune and adjust with various vacuum secondary ports and multi-port primary jets.
5. Integrated fuel pump and fuel bowl, allowing for easy installation and fewer components to worry about.
Cons of buying a 4781-4 Holley 850 CFM carburetor:1. Potentially complex installation process, requiring specific knowledge and tools.
2. May require additional tuning and adjustments to achieve optimal performance.
3. Higher cost compared to some other carburetor options, especially for those without racing or high-performance applications.
4. Requires regular maintenance and cleaning to ensure proper functioning.
Conclusion:The 4781-4 Holley 850 CFM carburetor is a high-performance option well-suited for racing and high-power applications. It offers excellent throttle response, durability, and tuning capabilities. However, it may not be the best option for those with less experience or limited budgets, as its installation and maintenance requirements can be challenging.
Recommendation:If you're looking for a high-performance carburetor with excellent tuning capabilities, the 4781-4 Holley 850 CFM carburetor is a great choice. However, ensure you have the necessary knowledge and tools for installation, or consider hiring a professional to avoid potential issues. For those with less demanding needs, there may be more budget-friendly options available.
Details:
850 cfm and has been rebuilt. Tune it and go. This is a Holley 4150 double pumper.
part #: 4781-4 prices
- $66.49-$97.99
specifications othervintageauto:
- for models: 850
- brand: Holley
Ratings:
- Thank you for an easy, pleasant transaction. Excellent buyer. A++++++. 02-27-14
- Very Fast Shipping. Thanks! 01-20-16
- Fast payment. Thank you. 03-17-16
- Thank you for shopping at RadioShack! Please come again. 02-25-14
- Thank you for an easy, pleasant transaction. Excellent buyer. A++++++. 03-03-16
General othervintageauto:
- condition: Used
- in stock: Yes
- Motors > Parts & Accessories > Vintage Car & Truck Parts > Other Parts
Shipping othervintageauto:
- cost: $18.0
- handling: 2 days
- type: Flat
Seller othervintageauto:
- zipcode: 57702
- city: Rapid City, South Dakota
Payments othervintageauto:
- PayPal
Returns othervintageauto:
- policy: no returns
Offer othervintageauto:
- quantity: 1
- # bids: 0
- Started: March 30, 2016, 9:07 pm
- min. bid: $175.00
- # Sold: 0
- best offer: false
