BSA Gearbox Sprocket Rigid Plunger B31/B33 19T. 1949-58

s77) 65-3506.19T

Gearbox Sprocket Rigid/Plunger 19T. BSA B31/B33
Chain 5/8 x 1/4 110-054.. (520)
with oil seal

M20 500 S.V. 1949-1956
M21 600 S.V 1949-1958
M33 500 O.H.V 1949-1957

Made in England

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