I think a whole bunch more info is needed. What engine is it needed for? You might also want to give an idea of how big of a cam you want and what style lifters you prefer (solid or hydraulic flat tappet, solid or hydraulic or roller). Performance can mean anything from a mild cam that's just a little over stock to a .700+ lift solid roller. If the cam isn't matched to everything else in the drivetrain your car could end up being a slug