Hexagonal head style complete with integral 'O'ring seal.
57-1553 ROCKER BOX CAP TAB SCREW for 1963-74 TRIUMPH T100 T120 TR6 ( SET OF 4)
70-1564F PRE UNIT ROCKER BOX CAP for 1950-62 TRIUMPH 5T T100 T120 (SET OF 4) ***
TRIUMPH T120 TR6 BONNEVILLE ROCKER BOX CAP SPRING CLIP (SET OF 4) 70-4609
70-3751 TRIUMPH UNIT T100 T120 TR6 BONNEVILLE 1963-74 ROCKER BOX CAP WASHER
70-3751 TRIUMPH UNIT T100 T120 TR6 TR25 B25 B40 1963-74 ROCKER BOX CAP WASHER
Rocker Box Gasket Set - BSA A10 / A7
