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

OEM part number is 67-0255

Tool is made of Stainless Steel & works with 3/8" Allen Head Bolts

Replaces part number 70-1596

Click here to purchase a set of Cadmium plated "flat-head" screws to replace the Allen head cap screws

We stock 2 chains

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)