BSA Big End Bearing B31/B33/M33/M20/M21.M24/M22/M23 1937-39.1937-59

B14K.24-375.66-545.66-506.66-409.66-481.66-483.6

BSA Big End Bearing B31/B33/M33/M20/M21.M24/M22/M23 B24/B25.M19 Single Cylinder

1937-59.

66-483. 1937-38

66-483. 1940-47

65-483. 1946-59

65-1614. 1954-57

65-1321. 1949-50 Gold Star

66-481. 1937-59

Made in England