Pitman arm is hitting tortion bar! Help?

Those are big block headers , the small blocks are not readu yet and big $$$ get dougs or tti

sb schumachers http://www.engine-swaps.com/Pages/ProductsType/SB_Headers.html#head1
I had searched the site to see what they fit but nothing really showed up so I just let someone else find out if they would fit.Shame too because those look good and if right would solve alot of small block problems.