64 273 2 barrel carb, rebuild or replace

I have my 64 Barracuda up and running but not running very well the two barrel needs rebuilt or replaced anybody have any information for a rebuild kit or a replacement carb it is a Carter, I am having no luck finding a rebuild kit. At this time I would just like to rebuild or replace it I'm not looking to do a 4-barrel carb and manifold swap quite yet.

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