Dyna Glide ModelsSuper Glide, Super Glide Sport, Super Glide Custom, Dyna Glide Convertible, Super Glide T-Sport, Dyna Glide Police, Dyna Switchback, Low Rider, Street Bob, Fat Bob and Wide Glide.
I've got the stock derby cover and used the flat gasket I got from the dealer. I was wondering the same thing when I removed the cover and saw the difference in gaskets. The flat one fit perfect, so I went with it. There is about 400 miles on it with no leaks.
