Can you give me a rough estimate on what kind of power this combo makes?

- chevy small block 388 stroker with eagle forged steel crank and rods 4 bolt main block world product sportsman II heads stiffer valve springs, comp cams roller cam 550 lift 230 duration@ 50, roller lifters and harlend sharp roller 1.6 rockers, performer RPM airgap intake, holley 750 HP carb, block hugger headers.
- dual 2 1/2" flow master exhaust

That's all the specs i have on it.