Carburetor Identification
Holley part number is stamped on the fuel bowl. The complete number (Example R-3271-A) may not appear on carburetor. "R" indicates carburetor and "A" indicates assembly. A suffix figure ("I" etc.) indicates modifications.
Holley part number is stamped on the fuel bowl. The complete number (Example R-3271-A) may not appear on carburetor. "R" indicates carburetor and "A" indicates assembly. A suffix figure ("I" etc.) indicates modifications.