Here is the 276EA/1AT carburetor: 1 inch venturi size - these early Triumph Carburetters have a tapered inlet to the 1 inch venturi. 

OEM for the rigid Thunderbird 6T - 1950-52: The first 650cc Triumph twins.  Fuel banjo and velocity stack.  Correct 7 degree float bowl.  New gaskets as needed.

Very suitable for Velocette, BSA and racing applications for vintage Honda etc..

Totally Complete (choke not fitted).

New Gaskets as needed. Slide - good fit in mixing chamber bore, all threads are good - see photos.

This carburetor is in good condition - ready for the classic machine. 

Please check all photos carefully and ask questions.  

Please see details for shipping to all countries.  Careful packing always.  Any and all questions answered promptly.  Appreciate your interest.