And so it starts... 340 build

Most times, nope. Unless the ring gaps were too small and engine got too hot and the rings butted.

How would too much rpm's break rings, rods or pistons yeah but rings

todays gasoline is so 'weak' octane wise, its the likely reason the rings broke, IMO

Thank you.
My original answer was no exactly all inclusive but I just meant to go get to the idea of the engine was beat on. And it was. Enter all the wonderful thing that happen when you beat an engine to death.