650 CFM - 4150 - Mechanical Secondaries - Shiny - Gasoline

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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!

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Information:

This model of carburetor has the square bore flange bolt pattern. It can replace Holley, Edelbrock, Carter AFB, and Autolite style carburetors with 5 3/16" x 5 5/8" bolt pattern. If you have a spreadbore style intake manifold, you will need an adapter to install this carburetor. Similar to the Mr. Gasket #1932.

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Application Summary:

Year	Make/Model
1962-1973	AC Shelby Cobra
1952-1954	Allard J2X
1954	Allard K3
1952-1954	Allard Monte Carlo
1952-1954	Allard Safari
1960-1974	American Motors Ambassador
1966-1968	American Motors American
1968-1970	American Motors AMX
1961-1962	American Motors Classic
1965-1966	American Motors Classic
1971-1974	American Motors Hornet
1968-1974	American Motors Javelin
1965-1967	American Motors Marlin
1971-1976	American Motors Matador
1969	American Motors Rambler
1961	American Motors Rebel
1967-1968	American Motors Rebel
1970	American Motors Rebel
1966	American Motors Rogue
1962-1965	Apollo GT
1965-1985	Avanti II
1987-1991	Avanti II
1992-1995	Bentley Continental
1965-1969	Bizzarrini GT America
1974	Bricklin SV-1
1961-1963	Bristol 407
1963-1965	Bristol 408
1965-1967	Bristol 409
1967-1969	Bristol 410
1969-1974	Bristol 411
1973-1975	Buick Apollo
1971-1973	Buick Centurion
1954-1958	Buick Century
1973-1981	Buick Century
1959-1989	Buick Electra
1959-1964	Buick Estate Wagon
1970-1983	Buick Estate Wagon
1967	Buick Gran Sport
1970-1972	Buick GS
1968-1969	Buick GS 350
1968-1969	Buick GS 400
1970-1972	Buick GS 455
1959-1963	Buick Invicta
1959-1990	Buick LeSabre
1958	Buick Limited
1973-1987	Buick Regal
1963-1985	Buick Riviera
1952-1958	Buick Roadmaster
1954	Buick Skylark
1961-1972	Buick Skylark
1975-1979	Buick Skylark
1961-1969	Buick Special
1964-1972	Buick Sportwagon
1955-1958	Buick Super
1962-1970	Buick Wildcat
1987-1990	Cadillac Brougham
1965-1976	Cadillac Calais
1952-1984	Cadillac Commercial Chassis
1953-1982	Cadillac DeVille
1953-1978	Cadillac Eldorado
1981-1982	Cadillac Eldorado
1965-1982	Cadillac Fleetwood
1986	Cadillac Fleetwood
1952-1964	Cadillac Series 60 Fleetwood
1952-1964	Cadillac Series 62
1958	Cadillac Series 70 Fleetwood Eldorado
1952-1964	Cadillac Series 75 Fleetwood
1981-1982	Cadillac Seville
1966-1974	Checker Aerobus
1969-1970	Checker Deluxe
1965-1974	Checker Marathon
1977-1979	Checker Marathon