I hope you will excuse this post since the item I have may be of interested to this group. I have what appears to be a late-model, lightly used manifold for an Atomic four. I used to own a Pearson Triton with an A4 and picked this up as a spare. I have a post on my blog with more details here
Forgot to mention: I also have some tools from Moyer Marine for removing the output coupling. Details at the same link above.
Thank you for your consideration!