Kevin, your identification is correct. Here is a screen print of the Tech Tip in the Engine Forum titled Carburetor Identification--Rochester B Series
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IMG_0975.jpeg (161.42 KB, 114 downloads)
Screen print Identification Rochester B Series


Phil
Moderator, The Engine Shop, Interiors and Project Journals

1952 Chevrolet 3100, Three on the Tree, 4:11 torque tube
Updated to: ‘59 235 w/hydraulic lifters, 12v w/alternator, HEI, PCV and Power front Disc Brakes
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