Not mine this is a lead https://charlotte.craigslist.org/pts/d/matthews-rochester-quadrajet/6861505933.html Rebuild Jet Performance Streetmaster Quadrajet Stage 1, 800 CFM 4-barrel spread bore buick/olds style.Bought new from Summit Racing few weeks ago . Their price was $495 and part # Jet-32001. Was working on customer car and had installed for about 15 minutes when he wanted fuel injection installed instead ,so is like new and ready to go.Rochester side numbers are 17058253 3357 BBC