Clutch fork / adjustment rod / torque shaft....
If you lift the engine to shift it around you can pop the z-bar bushings out, so unbolt the pivot ball bracket on the bellhousing side before you do that. DAMHIK. It's more of a PITA when that happens with the headers installed, but if they pop out you will have to unbolt the pivot to fix it anyway.
My engine wanted to rest the headers on the torsion bars and man did that ever cause a racket inside the car when going down the road. I tried shims and that got me nowhere. I just refused to give up until I got it all in the right place. :BangHead: IIRC I ended up with the engine on the hook barely off the k-frame, putting one side where it needed to be, then jamming a pry bar into the slot to hold it there, then sitting the engine down. It always seemed to go high on one side low on the other until I did that.