An SU Carburettor Dashpot , Piston & Spring 

BMC Mini 998cc  circa 1967 - 1970 ( BMC A Series )

From a single HS2 carburettor set up 

AUC 1422 ( piston casting number )

AUC 1357 ( dashpot casting number )

Needle code :-  GX ( correct code for the 998cc Mini  ) 

Free moving & smooth 

Needs cleaning & there is some tarnishing & scratches to the metal  

Actual item pictured - please zoom in 

Please zoom in on the images to see the external condition

Sold as used spare parts 
MF52