My 3100 does not have dust caps on the front wheel bearings. The sources I check out all have ones too small. Some measure them 'i.d' or even 'o.d'. 2" o.d. is not quite big enough.
Does anyone know the actual O.D, or know of a source? They don't need to be new. Thanks!


1957 3100, 235 with 4 speed floor shift