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.
What is the best is what you can afford. In my experience no air shock is a good shock. We build them (non-Air) and know what is inside of them. 440 is also not good. I speak from experience. What is better than stock? I do not know. What is the best, I do know.