Triumph Rocker Box Gasket - Pre Unit 650cc Alloy Head Models Circa 1956-62
Heavy duty, wire reinforced rocker box gasket specifically for alloy head models.
Correct fitment on T110, T120 and 6T models from 1956 onwards.
Fitted to the T100 or TR5 with a splayed port cylinder head.
Also known as the delta head.
OEM: 70-3552, E3552
Made in England