You are bidding on a Rochester Quadrajet four-barrel carburetor from a 1980-86 Oldsmobile 307 / 5.0L V-8, stamped P/N #17080253.   This is an 800CFM model; it will 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.  Shipping is FREE for USA only.