87 Grand National Seat replacements?

I am looking into restoring the interior of my GN but want to junk the driver and passenger seats. Wondering if anyone has replaced the two flimsy buckets with a more sturdy type from different make/model that will just bolt in. Any suggestions for non-electric types are appreciated.

It has been done. Go to www.turbobuick.com and check out the parts for sale section or do a search.