The AVS carburetor is often mistaken for an AFB carburetor. The AVS will not have secondary boosters and there will be a spring loaded air valve located on the top of the sceondary air horn. The AVS also uses a metering rod cover that is not flat like the AFB.
Find parts for the Carter AVS carburetor here
1968 Chrysler products carburetor kit
1969-71 Chrysler products carburetor kit
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