Exhaust downpipe to manifold nut set, MX-5. These are the nuts to fit the studs on the joint between the manifold and the downpipe. There are 3 of these used on the flange.
TRIUMPH TR4A, TR5 & TR6 EXHAUST DOWNPIPE TO MANIFOLD STUD & NUT KIT
TRIUMPH TR250, TR6 EXHAUST DOWNPIPE TO MANIFOLD GASKET & STUDS KIT GEG718
MGB, MGB-GT, MGB-GT V8 EXHAUST DOWNPIPE TO MANIFOLD FITTING KIT
TRIUMPH TR4A, TR5 & TR6 EXHAUST DOWNPIPE TO MANIFOLD STUD, NUT & GASKET KIT
TRIUMPH SPITFIRE,HERALD,GT6,VITESSE EXHAUST DOWNPIPE TO MANIFOLD GASKET GEG701
EXHAUST DOWNPIPE TO MANIFOLD GASKET FOR THE TRIUMPH TR2,TR3 & TR4 GEG718