SBM header options for a body without torsion bars

Been doing a bit of research but haven't really found an answer as to running a different body styles small block headers on an a-body with coil overs. Trying to find a set thats 1 3/4in primaries for my 360 that wont hang too low. According to tti's website, you can run part# 340BE when you have converted to coil overs which are for B, E, F and M bodies so my idea was that other manufactures could fit also? I'm torn between just buying tti's, experimenting with a different brand or just having a set made. Anyone have any experience or ideas?