I have a Holley 4 barrel carb for sale. As far as I can tell it is off a 1970 B or E body with a 383 manual trans. The numbers of the air horn are as follows 2399, list-4367. It was given a overhaul about 2 months ago.No stripped screws. Just taken off my car. Too small for my GTX . asking $175.00. Will ship at buyers expense. Email address is dotman66@twcny.rr.com. Pictures are availible at request. Rich