Please note: The base bolt mounting hole spacing of this carburetor is 68.5mm. Please carefully check the center distance of your engine manifold mounting bolts.
The throttle body diameter is 39mm,

1-Barrel Weber DFV 228 Carburetor for GM Gasolina Holley Carter Chevrolet Opala 6 Cylinders Engines

With gasket

DFV 228
Weber 228
Weber DFV 228
228.121.02

For Holley Carter 1-Barrel carburetor 1940’s Willys ford hot rod
For Chevrolet 6 cyl engines to replace original Rochester model B/BC 1bbl factory carburetors.
Fits most Chevy engines 216 up thru 261 cubic inch 6 cyl 1937-1967
For Rochester 1bbl on Chevy/GMC 216/235/261 engines from 1932 thru 1959 with Manual choke
Include gasket for Chevrolet (not GMC) 1950-62 inline 6 cylinder engines: 216 cubic inch intake c-to-c = 2 11/16″…will fit. 216 cubic inch intake c-to-c = 2 11/16″…will fit. 235 and 261 cubic inch intake c-to-c = 2 15/16″….will not fit.
For the Zenith 28/228 downdraft carburetors. Can replace the WE, W-1 & BB 1 barrel carburetors.