Thorley LS Swap Headers Q

[jamesjones]

Is anybody who has these able to give the dimensions of the headers? I'm looking for some headers for my swap but space is super tight. The engine in my '72 blazer was orginally mounted in the rear most location and I have some custom made engine mounts. I'd like to have a decent idea about them fitting before I drop the coin on them.

I'll snap some pics when I get home to give an idea of the space I'm working with.