One of the banes of restoring a CS for the last nearly 10 years has been replacing the curved seals on the rear side window chromes. The external rubbers are available at $140/pr but the required matching felts have been NLA for a long time. At Coupeking we have discovered a nice one-piece alternative to the 2 pc original versions and offer them here.
Shown mounted to one of my restored cars, the look and function of this one-piece combo squeegee/felt are perfect. Good enough for our cars and will be good enough for your cars as well.