i have a friend who has an 87 civic hatch and his upper control arm broke (i didint even ask how) and he has a 91 hatch that he has thats a parts car and he asked me if the 91 arm would fit the 87 i thought no at first but i wasnt to sure causei know those motors are pretty close and he is coming to get me in a few minutes and i need to know asap so i know waht im up against can anyone help answer my ?'s thanks!

 

Don't think they are interchangeable. Think that suspesnion setup is way more different.

 

I doubt it will work but it's worth a try. It will only take 10 mins to pull the control arm off and put a new one up there...