This is a Holley 4777 650 cfm double pumper carb. This carb has been soaked, washed, and rebuilt. New blue gaskets, .110 needle and seats, and a power valve plug installed for tuning. $200 plus shipping from Oregon City, OR 97045. Paypal accepted as a gift or add 2%. PM me on the board!
I sold this about a year ago, deleted all my PMs and that included yours. Please PM me again. And before ya'll chastise me just yet, they asked me to hold on to it and I never heard from them again.