brand new genuine  amal pre monobloc  carb  1 X   float CHAMBER   nos  ,

stamped 1DA which gives reference to a 7 degree chamber fitted to bsa c11g 49-53 models to take a nut and nipple type of inlet fitting

  the same chamber was also fitted to the bsa a7 a10 plunger models  stamped  1DB the only difference was a banjo trpe fitting! 

hasa few  odd marks to the finishdue to storage and age  but has great patina! 

   to fit triumph  norton ajs matchless panther ariel   bsa etc etc , fit amal  ,  74 ,   274  ,  75   , 275  276 76 289 89  models etc with remote float chamber , this is 50-60 years + old   -   nice item