I recently picked up a nice looking chrome set from Spectre#46528. I used regular stainless hex heads from summit initially but they don't seem to sit quite right and are difficult to torque because of clearance ( I had to use a open end
). I have not switched yet but the Spectre bolts come with a nice wrench to get into those tight spots. Though I now have a Weiand manifold, I recall the same situation with the eddy I used to run. Check it out. I got mine at Autozone off the wall. Have fun!