Some guy on Reddit was looking for one of these, then he fell off the face of the earth so I never made it.
This product is a great example of why something ‘simple’ can be fairly expensive to produce in quantities of one. Even though it’s a fairly simple manifold (and most of the parts can be bought off the shelf), it requires a fixture to get the cylinder end flanges at the correct angles. This adds a bunch of cost to it that spread over 5-10 units wouldn’t matter, but for a lot of little jobs like this the customer is pretty price sensitive.
So hopefully this comes in handy to someone with a KZ440.