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I rashed one of my polished aluminum Budnik wheels on a high curb. The minor damage I was able to repair by sanding and blending the high and low spots into the surrounding area. One deep gouge I filled by TIG welding, then sanded and shaped it to conform to the surrounding area. In both cases I progressively wet-sanded the repair areas with finer grits of paper (220, 320, 400, 800, 1000, 1500, 2000 and 3000), then finished by polishing with finer compounds until the blemishes were gone.
A good wheel repair service could likely do the same for you.
Congratulations on the new to you 2005 Corvette. As others have said, update your profile with your location and it will help get you the best information when you ask questions like this.
In you other threads your asking about tires. Have you bought tires yet? Maybe take the wheels off and get them fixed and then purchase new tires so you're not paying for multiple mounting and balancing.
Have you figured out how to post photos? Post picture of the wheel(s) w/ the curb rash. If the wheels are really jacked up, look into buying a new set of wheels and tires at the same time.