Electric Choke Vacuum Secondaries-4150

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ULTRA light - Aluminum construction for 43% weight savings ULTRA strong -Billet metering blocks & base plates ULTRA cool - Red anodized billet aluminum metering blocks and base plate ULTRA easy - Built in sight window for simple float adjustments ULTRA fast - High-performance fuel curves The Ultra Street Avenger carburetors feature all aluminum construction and are equipped with metering blocks and a base plate made from 6061-T6 billet aluminum. They weigh in at approximately 5 lbs less than a comparable zinc carburetor. The new Ultra Street Avenger carburetors have the same great features as their aluminum counterparts such as a tumble polished aluminum finish; quick change vacuum secondaries for easy tuning to optimize performance or fuel economy; four vacuum ports for all necessary vacuum accessories; factory preset electric choke for easy startups; built-in fuel filters; and an included fuel line kit so there are no unnecessary trips back to the parts store. Ultra Street Avengers feature the same optimized street calibration as the zinc versions so you know they will run great on your vehicle. In addition, the Ultra Street Avenger now comes with anodized metering blocks and a base plate made from 6061-T6 billet aluminum and a built in, clear fuel level sight glass for easy, no mess fuel level adjustments. 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 with red anodized billet aluminum metering blocks/base plate for good looks and true gasket sealing
• Compatible with GM, Chrysler, and Ford A/T kickdown linkage. Additional parts may be required.
• Fuel line kit included so there are no unnecessary trips back to the parts store
• Limited lifetime warranty - Guaranteed to be free from defects in material and workmanship for the life of the product!
• 100% wet-flow tested by Holley technicians to assure it arrives ready to run!
• Ultra Street Avengers feature an optimized street calibration that works-out-of-the-box
• Factory preset electric choke for easy startups
• Vacuum secondaries allow use on a wide variety of vehicles. Quick Change vacuum housing cap allows you to tune for performance or fuel economy (springs included)
• 4 corner idle allows you to precisely control your idle system
• Built in, clear fuel level sight glass for easy, no mess fuel level adjustments
• Aluminum construction for a 43% weight savings

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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