Here is the link to the Holley site that gives information on remanufactured carbs. I have NOT purchased one from them nor have I sent one into them for rebuilding, the phone number or web link is given and should be sufficient. Mikey 62 Crown Coupe P.S. I would not be surprised if contacting their technical division directly would be necessary for this service as a good many parts counter droids are not aware that it even exists. http://www.holley.com/holleyreman/index.html