This is the small coupling to go onto the magneto where a two prong drive is used, like early Delage. It fits any standard magneto shaft and the nut is concealed in the main part. There also the special part used to tighten up the special nut.It's been on my shelf for years and I'm having a clear out!
Crownwheel & pinion for Amilcar CGS/CGSs without differential Clearly marked: 13x57 3.25 To my opinion the set has not done much mileage. Both items are in a good and sound condition. Couple conique pour CGS/CGSs pont sans différentiel