You are bidding on a Rochester 2GV two-barrel carburetor from a 1973 Buick 350 V-8, P/N #7043142.   This item may fit several years and models; please check your application before bidding.  It is used, nothing is seized, sold for parts or professional rebuild; this is a great item for your project or for someone who works with this model.  Not a knock-off from China, this is an original GM part, made in USA.  Shipping is FREE for USA only.