You are bidding on a Rochester Quadrajet four-barrel carburetor from a 1977 Oldsmobile 350 / 403 V-8, stamped P/N #17057255.  This item will fit several years and models; please check your application before bidding.  It is used, nothing is seized, it will need a rebuild.  Sold for parts or professional rebuild; this is a great item for your project or for someone who works with this model.  Shipping is FREE for USA only.