I have an almost new Holley Street HP 750 Cfm carb. It has no choke and vacuum secondaries. The part number is P/N 0-82750. I bought this late last summer and had it on my 440. It's a perfect match for a big block. I built a bigger motor and am parting old my old 440. There is nothing wrong with the carb and it performed flawlessly. It retails for right near $500.00. I'll let it go for $400.00 plus shipping. I also have the installation/tuning manual for it if interested.
Matt B.