Help, What model of SU carbs are these?

[wculbert]

Hi,
I need to know what model these are.

They are on a Triumph 1500 engine.
There is a little tab on them which says;
FZZ1327R

Picture below;


The car is a Rochdale GT if you are wondering;
[url]www.freewebs.com/cands/rochdalegt.htm[/url]

Thanks William

[AJLintern]

Well if they are original they'd be 1.5" HS4.