Can anyone tell me what the aluminum part is on the left in the picture below? It sets inside the top rear strut mount between the strut rod nut and the mount. With this part on the only tool I can get on the nut is a socket. Has anybody taken these off of their car when doing struts/springs to make it easier to get to the strut rod nut? Does anybody know what it's for? Has anybody disassembled original suspension and not found this part? Please help I'm at the point of building a special tool to install Tokicos and I think someone out there must have an easier idea.

Here is a picture of the two pieces together as I took them out of the car. You can see there is very little room for any tool to get to the nut.

Here is a side view of the "part". It is shaped to fit the contour of the strut mount.


Here is a picture of the two pieces together as I took them out of the car. You can see there is very little room for any tool to get to the nut.

Here is a side view of the "part". It is shaped to fit the contour of the strut mount.
