Here is my motor mounts I made for my chevy project, same comcept can be applied to any conversion. Mine are def overkill by doubling up on the rubber isolaters, but should have to worry about over powering them and the motor is solid with no vibrations.
From the sound of this post and your other post I don't think u are up to the task at hand. Should search up on it and take time to tidy up on your mechanical knowledge before coming here to ask the most basic of queations. Try Dodge Cummins Diesel Forum