HOLLEY FR-4777SA Double Pumper Carburetor 090127726136

( Brand: Holley ), ( Manufacturer Part Number: FR-4777SA ), ( Part Type: Aluminum Carburetor ), ( UPC: 090127726136 )

Review HOLLEY Aluminum Double Pumper Carburetor Factory Refurbished

The Holley FR-4777SA Double Pumper Carburetor is a high-performance fuel delivery system designed for serious enthusiasts and professional racers. This double pumper carburetor is a direct replacement for the popular 4150 series, offering improved air/fuel mixture and better throttle response.

The Holley FR-4777SA Double Pumper Carburetor features a 750 CFM (Cubic Feet per Minute) dual-plane aluminum intake, which provides a smooth and consistent airflow to the engine. The intake is equipped with a large 850 cfm primary and a 500 cfm secondary, allowing for a wide range of engine sizes and power levels.

The carburetor is powered by two high-flow 3/8-inch vacuum secondary pumps, which provide an additional fuel source during high-load situations. This dual-pump system ensures a consistent fuel delivery, even under heavy acceleration or during high-RPM operation.

The Holley FR-4777SA Double Pumper Carburetor is equipped with a multi-port metering system, which allows for precise fuel mixture adjustment. The carburetor features a total of 16 adjustable jets, allowing for fine-tuning of the mixture to optimize engine performance.

The carburetor is also equipped with a progressive linkage, which provides a smooth and responsive throttle action. This linkage reduces throttle lag and provides better acceleration and drivability.

The Holley FR-4777SA Double Pumper Carburetor is constructed from high-quality materials, including anodized aluminum and stainless steel components. The carburetor is also equipped with a billet aluminum fuel bowl, which provides excellent durability and resistance to fuel corrosion.

In summary, the Holley FR-4777SA Double Pumper Carburetor is a high-performance fuel delivery system that offers improved air/fuel mixture, better throttle response, and precise fuel mixture adjustment. This carburetor is a great choice for serious enthusiasts and professional racers who demand the best from their engine.

1. Fuel Efficiency: The Holley double pumper carburetor is known for its fuel efficiency, providing a better fuel-air mixture for optimal engine performance.

2. Customizable: The carburetor is highly customizable, allowing you to adjust the air/fuel mixture for different driving conditions and engine configurations.

3. Durable Construction: The carburetor features a robust and durable construction, with a cast aluminum body and high-quality components, ensuring long-lasting performance.

4. Easy Installation: The Holley FR-4777SA Double Pumper Carburetor is relatively easy to install, requiring minimal modifications to your engine and intake manifold.

1. Complexity: The carburetor's double-pumper design can be more complex than single-barrel carburetors, requiring a deeper understanding of engine tuning and carburetion to achieve optimal performance.

2. Price: Due to its high-quality construction and features, the Holley FR-4777SA Double Pumper Carburetor is generally more expensive than other carburetors in its class.

3. Maintenance: The carburetor requires regular maintenance to ensure proper performance, including cleaning the internal components and adjusting the air/fuel mixture.

If you're looking for a fuel-efficient, highly customizable, and durable carburetor, the Holley FR-4777SA Double Pumper Carburetor is an excellent choice. However, its complexity and higher price point may make it less appealing to some car enthusiasts. If you're comfortable with engine tuning and willing to invest in a high-quality carburetor, the Holley FR-4777SA Double Pumper Carburetor is a great option. If you're looking for a simpler and more affordable option, consider other single-barrel carburetors.

Details:

Tumble polished Shiny finish for good looks. Manual choke Cable driven, hand operated for precise cold start control. A signature is required on all UPS orders over $750. Dual feed fuel inlet's for constant high volume delivery.

Mechanical secondaries for awesome tire turning performance. 100% wet-flow tested by Holley technicians to assure it arrives ready run. Optimized street/strip calibration that works out-of-the-box. Buyer pays return shipping.

Improved Fuel Bowl Design.

part #: fr4777sa prices

• $172.99-$749.95

specifications carbcoon:

• brand: Holley
• mpn: Fr-4777sa
• part type: Aluminum Carburetor
• upc: 090127726136

seller carbcoon:

• rating: 98.0%
• # reviews: 8354
• city: Bowling Green, Kentucky

shipping carbcoon:

• type: Fixed
• transit: 4-8 Days
• service: UPS Ground
• cost: $0.00
• class: Standard
• carrier: UPS

payments carbcoon:

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

general carbcoon:

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

returns carbcoon:

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

offer carbcoon:

• quantity: 1
• sold: 0
• started: August 16, 2024
• options: Ship-to-home
• availability: In Stock

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