Re: Johnson 1955, CD-12, 5 1/2 hp
As I live in Indiana, I may be able to assist you..
I do not know if they are available as NOS , but used cowls are somewhat cheap at our Antique Outboard meets... I will try to search Iboats, but I feel no luck will be had, pm me and I can tell you where the next AOMCI meet is