This one is a genuine Weber. Some gaskets that were with it. It does have a manifold, backing plate, and support for Harley Davidson applications.
What you see in the pictures is what comes in the package. The item "WEBER DCOE 40 ITALY Genuine Fiat VW Alfa Romeo Porsche Datsun Harley Davidson" is in sale since Wednesday, July 14, 2021. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Air Intake & Fuel Delivery\Carburetors". The seller is "ilovepanheads" and is located in Hays, Kansas. This item can be shipped to United States.