brand new 600 cfm Holley manuel choke carb

I ordered it for my 1965 dodge dart 270 w/225c.i. slant six. It doesn't fit. It is for a V8. It is a classicindustries.com P/N H1850, 600 CFM. Never been used. It comes with linkage and the mounting shim. I'm asking $225.00. Paypal is [Please use the PM feature to exchange Emails] Never used my new paypal before, so be patient. jeffrey356. Please send me a pm if interested. I live in Kimberling city, MO.