Power Bucket Seat in an A Body?

I know this is an old thread but the only aftermarket third party mechanism I could find was $600!! Are you sure you can't remember who you bought your's from?
Not sure if this is the same as mine but I did buy it from ebay. It was many years ago so I can no longer looking it up in my past purchases:

seat lift kit | eBay

Just make sure you get one that's close to the correct width?