You are bidding on a Rochester 2GC two-barrel carburetor from a 1978 Chevrolet 305 V-8, P/N #17058110.   This item may fit several years and models; please check your application before bidding.  It is used, nothing is seized, one mixture screw and the fuel inlet fitting are missing. 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.  Shipping is FREE for USA 48 states ONLY.