Flywheel surface cannot be economically repaired/replaced. A one time only situation.
High heat/horsepower will destroy the surface. Then you get de-laminating, galling and smearing of the surface. Once the disc slips, the surface goes away fast! Been there.
Organic clutch materials only. Ceramic and/or metallic discs create less heat but will abrade the surface thru the coating.. Don't ask how I know...