Hello gents and ladies, first yes they made a 351 CJ. I had one in my 1970 mach 1, I also had had a 408 kit in it. If you want any info on the awsome 335 series engines
you can go to
www.network54.com/Forum/119419/. There you will find guys from all over the world dedicated to Ford supremecy. Hope this helps and have a great day.