http://tinyurl.com/pyn983y
Mikuni Rubber Mounting Flange - Typical Carb Size 30 - 34mm M-VM34-200K
Adapts spigot- (sleeve) mount carbs to flange-mount manifolds
Clamp included
8.5MM Bolt Hole - 60
Carb Bore Size - 36
Carb Spigot Dia. - 40