Triumph carburettor stud set in stainless steel. This set will fit all Unit and Pre Unit 350/500 heads. Triumph parts numbers 3797/E3796 for the four 1/4" studs and E3880 for the two 5/16". The threads are BSF/cycle and nut sizes are the same as originals.
These are a set of 13 Triumph Pre Unit 1954 to 1959 Gearbox and Engine Plate Studs, Nuts and Lock Washers in Stainless Steel for the 6T, T110,TR6, T120, TR6 and T100.