I have some very rare 1963 Dellorto si 27/23 carbs for Vespa GS160 & SS180 models for sale on eBay.

First is just the carb body:

http://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5575378759&campid=5338273189&customid=&icep_item=193809683049&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg&toolid=11111


Second is a more complete carburetor but does have some missing parts that are available:

http://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5575378759&campid=5338273189&customid=&icep_item=193809703165&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg&toolid=11111


Thanks.

-Kav