Rear upper control arm interchangeable??

Just wanted to know if the upper control arms from a 88' T-bird are the same as an 88' stang. My girlfriends car has a bad upper control arm that broke apart where the bushing goes into and i have a coupe for parts and was going to swap it out.
Are they the same? Just wanted to know before i jacked up both cars and did all this work, to find out it won't.
Thanks!!!
 
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