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USED ON SINGLE CYLINDER ROAD GOING NORTONS FROM ABOUT 1959. TYPICALLY FOUND ON THE ALTERNATOR MODELS BUT ALSO NON ALTERNATOR, BEST TO CHECK IF YOUR BIKE ACTUALLY HAS THIS SEAL. IT IS A LIPPED SEAL 1.58" (40MM) O.D, 5/32" (3.9MM) WIDE DESIGNED TO SEAL ON A 1" (25.4MM) SHAFT.
FITS: SINGLES
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