5 new genuine SURFLEX CLUTCH PLATES-(made in Italy) to fit BSA A7 A10 PLUNGER MODELS 6 spring 1950-1957 and BSA C10L C11G C12 3 spring 1954-58. TO FIT BSA A7 AND A10 PLUNGER MODELS with 6 spring clutch (1950-1957) BSA C10L,C11G,C12 with 3 spring clutch (1954-58).