Bronze distributor shaft gear wear
You may need a new intermediate shaft, drive gear, and in the block bushing by the looks of these parts.
Make sure the in the block bushing spins freely on the intermediate shaft with engine assembly lube on it, before installing.
Then check the bushing fit again once it is installed in the block.
Expand these ^^^ photos up and you will see what I mean. Not looking good.
You may need a new intermediate shaft, drive gear, and in the block bushing by the looks of these parts.
Make sure the in the block bushing spins freely on the intermediate shaft with engine assembly lube on it, before installing.
Then check the bushing fit again once it is installed in the block.
Expand these ^^^ photos up and you will see what I mean. Not looking good.