*In Stock & Ready To Ship!* New English Made BSA Unit Twins Timing Side Crankshaft Nut Locking Tab Washer. This is as good as it gets! Don't re-use that "Buggerd" up Tab Washer again! Start Fresh! Fits all BSA A50 & A65 Unit Twins (Lightning, Thunderbolt, Rocket, Wasp, Spitifre, Royal Star, Etc) from 1962-1972. Please refer to your parts catalog for proper fitment.
*****Always check your parts book & numbers to ensure the best fitment! May fit other models that are not listed abouve!*****
•Made in the UK
•O.E.M Part number is 67-0644 or 67-644