In stock now.  A superb cast/machined part. These have been NLA, unobtanium for decades! 
 
An amazing reproduction, looks perfect on Nissan OEM or our reproduction Solex Manifold. 
 
Pipe and cable pull fittings are available separately (not included). Available here:
 
CARBURETORS MIKUNI! | datsunrestoration (datsunrestorationproducts.com)