MANIFOLD HELP

Hello to all.

I've got what appears to be an old Taffspeed Reedblock with a metal/rubber manifold that accepts a 32mm Mikuni Flatslide.  The Manifold has torn / ripped.  I'm not sure, but I was told it is from a 1984 Kawasaki KX80... They are no longer in production, and I can't find a replacement Anywhere... 

Does anyone know of a suitable replacement that will maintain the bolt pattern of a KX80 manifold...  48mm (center of bolt to center of bolt) on the Short side, and 66mm (center to center) on the Long side.

Any help would be appreciated.

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