You might as well chalk it up for a loss if you won't send them back first. I don't have time to keep going tit-for-tat over this, and I've lost patience at this point. I give up, you win.
I'll give this much. Send them back, and let me get my machinist to check them out. If he says they are as you described I will refund you $72.50 which is exactly what you paid for them + enough to cover your shipping cost to send them back. You will be out ZERO dollars on the sale/return.
Immediately after there were concerns about the pistons/rods, I offered a full refund minus $12.50 it cost me to ship them. I'm not a machinist, but they came from a perfectly good running 72k mile engine when pulled (only problem with it was a wiped cam lobe, and I told that up front before...