For my '59, I transferred a good bench seat bottom set of springs to a good metal base, replaced any spring coils that were broken and sprayed the set flat black.
I replaced broken springs from the seat back and painted it as well.
I got the tracks lubed up and working perfectly.
Now, I've ordered an upholstry kit and I'm anxiously waiting to get it all together!
Jerry

1959 Chevy Apache 3200 Stepside
In the Stovebolt Gallery
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"A government that robs Peter to pay Paul can always depend on the support of Paul." ~ George Bernard Shaw