Different in the sense the driver seat has more bolstering than the passenger which is the right way for a pair to be.
They can be switched around though, as in they are bottom mount.
I only have one S14 rail*( bride part # N045SL). slotted for R32 for a RHD driver and the other side just hangs in my living room.
I’d like 600 for both firm, local only. The driver has some wear and a tear which I sewed back by hand.
Located in Mississauga Ontario.
Not trades really.