Subframe bushing question

So I recently did some rust repair on my 87 turbo under both seats. Had to cut out the major rust holes and reweld in 16g sheet metal in it's place. Now the problem is where the subframe bolts into the floor under the seats, I had to remove that subframe brace. Does anyone know what exactly that bushing is called so I can replace it. Mine is trashed. When the next winter comes I plan to replace all my subframe bushings but just those for now so I can take her out. Any help is apreciated