Jim, sorry, I don't have any 2 door sill plates, you have to go to Rudy Phillps for them. The sill plates were made of aluminum so I'd start with a good brand of aluminum cleaner and a lot of elbow grease. Being aluminum, they were of course prone to denting. I'm not much of a body man but I'd guess some auto body dent repair tools like dolly and hammer would be a good place to start. Other than just a general cleaning, I've never done anything to mine. I couldn't wait to get this new set in my car. They are beautiful!