The assembly includes a gasket and heavy duty rubber boot attachment sleeve which has a 35mm inside diameter both ends and stainless steel hose clamps featuring rolled outer edges to protect the rubber.
This mounting flange is designed for fitting Mikuni carburetors with a 35mm spigot outside diameter to any engine with mounting stud spacings ranging from 46mm centre to centre measurement through to 59mm. The alloy stub flange is made using 6061 grade Aluminum with a silver anodized coating. The inside hole diameter is 28mm with a total height of 28mm and 35mm outside spigot diameter for matching with Mikuni VM24 thru VM28 Roundslide carbs, TM Flatslide carbs with 35mm or close size spigots or other such applications. The slotted mounting holes in the 10mm thick base do suit mounting hole centres from 46 thru 59mm when using up to 5/16″ or 8mm socket head screws (Allen key).
When mounted on your engine the front face of your carburetor will be positioned in a standoff location of 33mm back from the cylinder head mounting surface.