This is the male part of a RN magneto drive coupling. It probably fits an Alvis as it came with a load of Alvis spares. The bore is parallel and has a keyway and is 15mm dia RN couplings were also used on K3 MG's and I suspect other cars
Annonces similaires Une variété de fabricants Magnéto & pièces Une variété de voitures a vendre