BS34 Carb Holders KZ750 Twin

I am trying to find carb holders for a 1982 KZ750 twin with BS34 carbs. Z1 does not carry them and I can not find any. I have read that the XS400 holders or maybe the XS650 holders may work but I am not 100% sure. i have looked at jbm industries and the holders they carry have the right bolt to bolt measurement but the throat measurement is 2 mm to wide.

Even the '80 and later one's? XS 650's used the BS 34's from '80 on.

I contacted Z1 enterprises and they were nice enough to measure carb holder dimensions.

The XS400 Carb Holder 80' and up:

The center to center bolt hole measurement is 66mm

The ID on the carb side is 39mm

The ID on motor side is 33mm.

The XS650 Carb Holder 80' and up:

The center to center bolt hole measurement is 70mm

The ID on the carb side is 45mm

The ID on motor side is 34mm.

I received the XS400 Carb Holder 80' and up and after over sizing the bolt holes by about 2 mm per hole , they fit perfectly with the BS34 carbs