Clutch Spring
BSA A10 / A7 Plunger - Six spring clutch. Duplex Clutch Model Springs
C10L C11G C12 - Three spring clutch
please check this measurements against your spring
OD: 16 mm
ID: 11.4 mm
L: 37 mm
BSA A75. Triumph T150 Piston +060 Set Cast AlloyCompression ratio 9:1including gudgeon Pin, piston rings and circlipsPiston Clearance 0.12mm or 45thouset of 3Please look at ALL pictures