Just saw this.
I've contacted Kosman a couple years ago regarding this exact thing. There was a period where the machine used on comstar wheels was broken, but it's fixed and working now.
They can and will widen the stock VF1000R wheels. They can and will increase the stock 16" wheel to a 17" at the same time.
Yes, they will be heavier than newer wheels.
Yes, it's pricey.
Will it be unique? Definitely...unless you and I both do it.