5th gen OEM rear spring L&R question

[7104R]

I apologize in advance if this has been asked but I have had no luck searching it up, are the OEM rear 5th gen springs L&R side specific? I took my OEM springs out to replace with wheelers t13 but now I'm going with a fabtech 6" rear lift and that calls for the OEM springs.

Here's a pic of my runner for you all to criticize