BSA Cush Drive Nut Lock Washer B31 B32 B33 B34 M20 M21 Gold Star 65-2521

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  • Regular price $4.00
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Stops the Cush Drive/Sprocket nut coming loose and cutting a hole in the outer primary cover

Fitted to:

Rigid & Plunger framed BSA B & M Group models from 49-on.
B31, B32, B33, B34, M20, M21 Gold Star etc.