Steel clutch plate for 3- and 4-spring clutches
Made by Surflex
BSA from 1958: B31, B32, B33, B44, A7, A10
BSA A50, A65 1966 to 1972
Triumph twin models (350, 500, 650, 750cc, etc.) (1946-83)
Part numbers: 42-3195 and 57-1363
See photo 2 for dimensions