BSA Crankshaft Alternator Rotor Nut by CBS - (1) - 29-2023 Sealed OEM part number is 67-0255

OEM part number is 67-0255

We stock 2 chains

Ewarts petcocks where fitted to many BSA & Triumph models from the 1940's to the 1970's that include some of the following: C15

and others from 1963-1983

New BSA Twins Swing Arm Spindle Mounting Bolt

BSA Crankshaft Alternator Rotor Nut by CBS - (1) - 29-2023 Sealed OEM part number is 67-0255For the past few years we had had issues with finding BSA crankshaft rotor nuts that actually fit. We have encountered rotor nuts that were too small and too large with the incorrect thread specifications Not only are some rotor nuts made incorrectly, but BSA changed the nut "specification" without changing the part number! From what we know, there was a spec change on the rotor that happened around 1968ish Early types where 5 8" X 20 TPI (British)