I found a local plastics store and picked up exactly what I needed for a whopping sum of $3. I think its called polycarbonate. Its crystal clear and cuts like a dream. I was able to machine it with just a table saw. Unfortunately I didn't have the template yet so I just used a pencil rubbing over the holes. Everything fit together perfectly and the clear pucks are quite stylish. I'm thinking of adding some neon lights so they match the kicker boxes in the trunk. The new pucks actually feel and look much more stout than the factory ones.
I took it out for a trial run at Burthoud pass on some steeps and everything performed perfectly. No adjustment to be made. Best of all, I didn't drill a single hole in my board.
I can post some pics if anyone is interested.