M96 Cylinder Heads/Cam Covers - EBay

[Anker]

Originally Posted by piper6909

I believe the connecting rods on Corvette motors are single castings. They bore the hole for the crank, tap for the bolts and break them in half. It's pretty ingenious, considering you can't really bolt on mismatched caps in a rebuild. I'm sure that wasn't their concern, though. Most likely they found it a faster & cheaper process.

Those are called cracked connecting rods. A fairly common process where tolerances are critical.