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The Carburetor Doctor - carburetor rebuild kits, parts and restoration

Quality carburetor rebuild kits, choke pull offs, choke coils and floats for American carburetors.

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Stromberg 4A

Carburetor Technical Information

Stromberg 4A


The Stromberg 4A Aeroquad was produced from 1952-1954 and was Stromberg's only four barrel carburetor. It was used exclusively on Buick V-8 engines. The 4A was probably the first four barrel carburetor, appearing shortly before the Carter WCFB .

For a while in the 1950's it was a favorite of hot rodders. It is the carburetor in our header image, which is from a poster for the movie Dragstrip Girl.

Dragstrip Girl detail

This appears to be two Stromberg 4A carburetors on a nailhead Buick with Offy valve covers. Sweet.



Service Manuals

Stromberg 4A Carburetor Service Manual


Stromberg 4A Parts

CK443 carburetor kit