eBay
Here we have some very sort after items - Mini Cooper / MG Metro inlet + carburetor assemblies. 
We have 1 that is new old stock at £245 
and 2 that we have rebuilt and had changed parts as necessary at £135 
We can needle these up to suit most set ups for an extra £10. 

If you are running a 1000cc engine we can supply the same set uo with an HIF38 

We can also add a K & N style filter for £20.