Ayuh,..... Another way is to get a piece of threaded rod, say 1/2", 5/8" 3/4", an a couple washers,....
Slip the rod through, put the washers, 'n a nut on the inside, 'n then with a heavy steel plate, bridge the bellhousing face, put another nut on the rod, 'n turn it in,....
That Should be...