190-200 bhp would take serious internal work to get it out of a 4age. You will need serious head work, mad cams, standalone ecu and possibly race fuel. Your average 4age only get 145-150 bhp on a dyno on a good day. As for rods i wouldnt really worry on a std rev limit. I had one on a jam ecu and it handle 8.8k rpm no prob. I have seen them been pushed very hard yet to see one brake a rod. Big ends can go.