I just swapped out my convertible hydro-electric power top for a manual spring system. I know this is usually done in the opposite direction but I like the manual better as it is more reliable, no possible fluid leaks, much faster to operate, and lighter. The plastic hold down clips were rotten, and are only used on the manual tops to keep the top secured. I'm surprised to find nobody makes these clips for GM A-bodies, so a re-pop 65 Mustang set were used. I considered 3D printing the clips and even I made a CAD model to do so, but figured the injection molded mustang part will be more durable, plus they looks nice in black. The manual top is a great system, its as easy to open as a hood, and the springs both compress and expand during its full cycle. Anybody out there have a manual top?