I would put my money on stock parts. no one sells a car without informing new owner the engine has built internals. stock engines can handle momentary over boost. and forged internals only buy a few seconds of safety when detonation occurs.
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want a piece of the yellow car? (buy it)
you have to beat the blue car first
and then you have to take on the IV
my favorite quote
"if the solution is simple, God is answering"