Yes. You can order any underside bush. But it’s only more work for the machinist. The machine at should grind the crank until it’s true (tell them to make sure it maintains the radius) then they will machine/ream the bush to match the crank.
Now let’s all have a beer
68’ A65 Lightning “clubman”
71’ A65 823 Thunderbolt (undergoing restoration)
67’ D10 sportsman (undergoing restoration)
68’ D14 trials (undergoing transformation)