These are the only modifications to the shift mechanism. Of course, if the rest of the linkage is worn it's wise to at least replace the plastic bushings. You may also need to replace any worn rods and metal parts too.
The shifter works great. It's noticeably more precise, though I wouldn't call it miraculous (you wouldn't mistake it for a Miata shifter.) And the throws are reduced significantly. Although the effort is up a little it's not a bad trade-off. The cost of the project was about $50 for the bearing and about $5 for the washers, pipe and set screws. Of course you'll need access to a lathe and a welder. Tom's South Bend lathe did the job just fine. This was the first time I'd ever used a lathe but it was pretty simple. The only thing I'd do different next time would be to use sharp lathe bits!
If anybody's interested in learning more about the conversion just click on "contact us" and I'll get in touch.