hp on stock block and head

does anyone know whats the most someone has pulled out of a 4 stock block or stock head... i'm getting pistons and rods but i was wondering how much a the stock head could hold

more than you will ever be able to reach. they will be restrictions well before you have to start worrying about them breaking.

i wouldnt be so quick to jump the gun .... just flatter me

ok...600

but you wont get there with a port&polished head, larger bore pistons which will require you to hone the cylinders and soo much else that the block and head will hardly be stock.