A833 on a 90's 360 magnum engine

I know it has been a while since I posted, but I have a flywheel question. I have found a lot of clutch kits that specify Hp ratings, but no flywheels with Hp ratings. they do however have SFI ratings SFI 1.1. So if it is SFI rated does that mean it will take a thrashing from a high Hp motor without issues, or is what the material it is made from matter what kind of torque and Hp it will handle. I'm designing an engine that will hopefully produce 500+ Hp, and 500+ ft/lbs of torque. What are your thoughts, suggestions, experiences.