Suz GT550 carb kit?

[Master Beerkie]

Work has eventually started to transform the GT550.
Require your assistance in sourcing carb kits.
Seems eBay is the only option - any other options/pointers?

 

[Beebop]

 

[katana]

 

[Master Beerkie]

 

[Single Cylinder]

 

[Master Beerkie]