Description Lucas RM20 Rotor Part# 54202299, 54202298, 54212006, 54213901, 54213902, 60600444, 60600536, 60600684, 19-1210, 19-1260, 19-1288, 19-8019, 06-8100, 60-7256, 99-0739, 99-1138, 99-7058 6 Pole with welded 0.752″ centre This rotor supersedes all other specifications As fitted to most British motorcycles (late 50’s to 70’s) equipped with alternators 74mm, fits all Lucas alternators numbered RM18 and above
