What Do Carburetor Numbers Look Like?

Carter – 7504S, 7504SA 927S – Carter always has a ‘S’ at the end.

Carter B&B Ball & Ball – D6H1

Ford – C034 AN – note: the 2nd digit is always a number.

Holley – R 1234 1A, or R 1234 1, or R 1234 – The R may not be included on the stamped carb number.

Zenith – 12345, 12345D

Updated on 04/13/2022

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