Slant Six Headers

I need headers for a 1965 225 slant six. It seems the internet only sells them for 1967+. Please help, my son and I are building this as his first car.

I will also add the comment - is there a reason why you need headers? Unless you are doing other mods such as cam, decking the head/cutting the head for more compression, 4 barrel, etc, headers don't make a lot of sense. Was just wondering.