I don't know what they're made of but I do know that my Mazda which sits right next to it and is also undercover shows no signs of rusting at all so whatever alloy Morgan is using it is definitely not very corrosion proof


kirkusblog.com
2016 M3W John A Prestwich Special
1952 Ford 8N
1968 Honda CL175,and 2018 Ural Retro