When you're in restoration mode, you'll want to replace your strut top camber plate bushings. These still retain the stock ride characteristics but are made from a slightly stiffer rubber. You'll love these if you are one to push your car hard in the twisties. The harder compound will really be noticeable.
Replaces: 911.341.018.00 / 911 341 018 00 / 91134101800