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Alternator Rotor Lucas RM20 Replica
Product Information:
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Diameter: 73mm
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Shaft Diameter: 3/4" (19.05mm)
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Thickness: 35mm
OEM: 54202299, 54212006
Fits most BSA, Triumph and Norton singles and twins from the late 1950's to the 1980's.
Made by Emgo