Any single carb manifolds left? KZ400

I've been wanting to do a single carb conversion on my kz400 for some time but finances never really allowed until recently. Pretty much the only place that made them for the 400, 11th Hour Industries, has stopped making them and only had this to say: "MANIFOLD PRODUCTION HAS BEEN HALTED FOR THE TIME BEING EMAILS REGARDING EXPECTED PRODUCTION DATE WILL NOT BE RETURNED".

This leads me to believe that they are basically permanently out of production seeing as how no reason was given as to why they stopped and won't even go as far as a hint for production restart.

This leads me to ask, does anybody have a single carb mani to sell or otherwise has the knowledge/tools to make one for me?

Just curious - why would you want to make a mod that would reduce the power on a KZ400? It isn't as if the KZ400 is overpowered in stock trim. Ed

Here are a couple of topics. You may have seen the second one already as your pic is from there. These are the only topics I can recall about making manifold. I think DimeCityCycles has aluminum manifolds that maybe could be adapted for a single carburetor, but I don't recall what models they are for. It seems like DoTheTon or other cafe racer type websites would have some conversion info. Good luck.

My Custom Bobber 440 ... the photos are gone.
2004 kfx400 atv carburetor & copper tubing manifold. scroll down for this info.

KZ440 Single Carb Conversion
New Mikuni VM34 carb & stainless steel manifold (?)