need help identifying some bucket s quickly

[grease monkey 73]

Can anyone tell me what these came out of? The owner doesn't know. I'm thinking about buying them for my dart

 

[Oklacarcollecto]

Is that the only picture you have? Do they have seat tracks?

 

[grease monkey 73]

They have tracks but i don't have a picture give me a minute ill load more pics of backs and bottoms

 

[grease monkey 73]

He has the tracks but no pics but he said all 4 were same height so they not for a body i don't think but i might get them anyway just trying to figure out what they are actually for