Rebuilt Engine bearing wear

Are the valve reliefs the same size on these pistons? OEM style are sometimes. Aftermarket the intake reliefs are bigger. Could he have the piston in the wrong hole? That sound is more of a ringing ping sound though.
Ok so here is an update along with videos. The first video is about 5 minutes after I started it up with fresh rod bearings. The second video was taken yesterday with the engine fully warm after 30 minutes of driving. The noise has gone away pretty much fully. Might be a tiny tap but I can't hear it anymore. I know rod knock doesn't go away but this noise sure gets better with time and it only does it with fresh rod bearings

https://youtube.com/shorts/-UDRWe-fyCc?feature=share

https://youtube.com/shorts/yIlaI3M1QSo?feature=share