0-4777SAE Aluminum Double Pumper Carburetor 650 cfm

Name: 0-4777SAE Aluminum Double Pumper Carburetor 650 cfm
Brand: HOLLEY
SKU: 510-0-4777SAE
Price: 628.95 USD
Availability: InStock

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Ships on Oct 19, 2026

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650 cfm

Aluminum Double Pumper Carburetor

650 cfm

4 bbl

Mechanical Secondary

Model 4150

Electric Choke

Holley 0-4777SAE Features:

Holley upgraded their two most popular sizes of double pumper with electric chokes. The 650 and 750 CFM models are available in the classic zinc and shiny polished finishes.Holley Double Pumper® carburetors are a perfect performance upgrade for hot street cars and race vehicles. Double Pumper carburetors are an American icon when it comes to performance carburetors. From their roots as the premier carburetor on many factory muscle cars to powering thousands of vehicles across the finish line, the Double Pumper is a great choice whether you are burning up the street or the quarter mile. The Double Pumper is designed for use on lightweight vehicles with a manual transmission or an automatic transmission with a high stall and low rear end gears. The Double Pumper is available in a gold dichromate or tumble polished shiny finish and features dual accelerator pumps for additional fuel under initial acceleration; mechanical secondaries for great performance; dual feed fuel inlets for constant high volume fuel delivery and an electric choke for easy control of engine warm up. Don't trust your performance to just anyone, Holley is the only modular carburetor company that has been in business for over 100 years and has powered every NASCAR champion since the 60's.

Shiny finish for corrosion resistance and classic Holley looks
Optimized street/strip calibration that works out-of-the-box
Electric choke for precise cold start control
Mechanical secondaries for awesome tire turning performance
Dual accelerator pumps for additional fuel under initial acceleration
Dual feed fuel inlets for constant high volume fuel delivery
Intended for lightweight vehicles w/ manual trans or automatics with high stall & low gearing
100% wet-flow tested by Holley technicians to assure it arrives ready to run!

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

The Holley Aluminum Double Pumper carburetor offers a 38% weight saving versus the standard Double Pumper. It has a mechanical secondary for performance and dual accelerator pumps to provide additional fuel under initial acceleration. Compared to its zinc counterpart Holley's Aluminum Double Pumper will hold its shine longer. It can also be hand polished for a more custom look. The dual feed fuel inlets allow high volume fuel delivery. It is equipped with a manual choke for easy cold startups. The Double Pumper is recommended for use on lightweight vehicles with a manual transmission or an automatic transmission with a high stall and low rear end gears.

Features:

Mechanical secondary
Manual choke
Improved fuel bowl design
Weight savings of 38%
Dual feed fuel inlets
Tumble polished shiny
Dual accelerator pumps
Wet-flow tested
These kits, put together by JEGS Professionals, include Carb, JEGS Braided Fuel Line Kit - 555-100821, JEGS Fuel Pressure Gauge - 555-41010

Carburetor Technical Specifications Guide, Click Here