stock block stock internals damn they even aiming for 600whp in few weeks,after adding : stand alone F.A.S.T. system, stage 3 or 4 spec clutch or clutch masters, 27psi boost, cams, 800 cc injectors.
here is the video:
http://www.turbochargers.com/forumuploads/500hp.mpeg
one fast SRT-4 for sure [img]/images/graemlins/dude3[/img]