Originally Posted by Thomas-S.

Hi,
I have been able to measure one of the o-rings today, please refer to the picture.


I hope that it helps.

Best regards,

Thomas

Originally Posted by jluvzcarz

One other thing you may consider is that the upper control arms can only be changed out when the front strut is removed. The mounting bolts are removed to the inside and only come out with the strut out of the way. If you think that the bushings and upper ball joint look tired it is a good time to think about changing them.