Here is the haynes manual if you want it for your project disclaimer. Installing the pilot shaft bushing into the replacement 390ci engine.

Clutch Pilot Bearing Removal Toyota L6 Forum Hybridz
How to install a pilot bearing. With a minor modification to a common steering wheel puller you can push in a clutch pilot bearing or bushing wo beating it and your engines thrust bearing. This video covers removing and replacing the pilot bearing. Installing the flywheel pilot bushing clutch and pressure plate on a 350 chevy small block for a 1966 impala. Pop off shifter bezel and unplug cigarette lighter plug. Then gently set the bearing into the end of the crankshaft. Wiggle shifter until it separates from the transmission.
If the medium diameter bearing is a loose fi t please use the large outside diameter bearing for a slight press fi t into the crankshaft. The pilot bearing should be a slight press fi t into the crankshaft. Use 13mm to unbolt shifter from the transmission. Install the new pilot bearing. An old automotive trick is to put the bearing in the freezer for about 30 minutes to shrink it slightly to help ease the installation process. I am an amazon affiliate and may receive a commission for sharing.
Be sure to install your pilot bearing into the crankshaft by driving or pressing on the outer most part of the bearing only. Use an 8mm or 10mm socket to remove outer boot depending on bolts used previously.