I'm in the machine shop and fabrication business...I design, machine, and weld all my stuff to be custom fit...
here's a few pics of the cross member motor mount in process
Main cross member weldment
Attachment 1740805
The engine block mounts are billet aluminum...
the center section is a steel sleeve with polyurethane bushings
should help dampen and isolate any vibration
The sleeves were then welded into the "C" notched part of the cross member seen in the first picture
Attachment 1740806
All pieces milled on CNC machine
Attachment 1740807
Bolted to the engine here
there's two additional pieces (not shown) that bolt into the frame rail..
after final engine position is determined
Attachment 1740808