Rear trailing arm bushings

Here is one for you! Some of you may aready know this. I was checking out a buddies ITA Rx-7 and they have a Front trailing arm simalar to the rear one on the Escort. He had these cool "Bearings" installed. They would replace the rear trailing arm front mount. I ordered a set to try and they fit great! I have not yet run the car yet but they should work nice. Here is the info:
http://www.gforceengineering.net/products.htm Check out the Front Trailing Arm Spherical Bushings
Have Fun
Tim