BSA Big End Bearing B31/B33/M33/M20/M21.M24/M22/M23 1937-39.1937-59
B14K.24-375.66-545.66-506.66-409.66-481.66-483.6BSA 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