Even though the clutch disc has been redrilled, it should work OK as long as there are not any cracks, but I would sand it a bit to flatten, or true it up, and to knock the glaze off. That is an original solid fiber disc. The new ones have a metal core with a fiber lining on both sides, and the holes don't wear/elongate as bad.
I would also try to find a better drive shaft and release lever, because both will cause you some problems. The lever will end up damaging the bearing, and the bearing cost more than the lever does. The worn shaft will cause the bearing to cock/twist on the shaft, and break the teaser spring, and that is probably what wore the hole in the lever out of shape, and damaged the original bearing. Both are available new if you can't find good used ones