well i havent polished my valve cover yet because frankly my car isnt worth maintaining it but here's my current motorcycle's frame. the polish job is about 1 year old. i polish it every month or so lightly with mother's billet polish. i started with 150 grit because it was a really rough sandcast finish and finished with 800 grit. picture isnt the best, ill try and take another
oh and here's the before. ignore the big dummy in the middle.
