Basically you are paying $110 for a used SPEC pressure plate. It may need resurfacing.
They specifically mention "you can get the disc resurfaced" meaning it probably has damage to it.
No T/O bearing included.
With your power level I'd go with a Stage 1 anyway. It doesn't bat an eyelash at my engine so it can definitely hold any supercharged engine.

(oh yeah - free shot

)
It holds the venom kit just fine as well and that makes far more torque then either a 3L or S/C car.