New BSA Unit Twins Gear Box Sprocket Nut Felt Washer. This felt washer is installed in front of the gear box sprocket fastening nut on your mainshaft. Measures 11/16" X 1 3/8". Fits all BSA A50 & A65 unit twins which include the Lightning, Royal Star, Thunderbolt, Rocket, Spitfire, Hornet, etc from 1962-1972. Please refer to your parts catalog for proper fitment.
*****Always check your parts book to ensure that this part is correct for your application*****
•Made in England
•O.E.M Part number is 68-9167 or 82-5983