budget Honda Prelud, don't know the year but they have all mechanical adjustable lumbar, bolster support and even a seat back memory no electric to deal with and 2/3 the weight of the factory 2nd Gen seats and give more leg room for the rear seat (not that anyone ever rids in the back)
If you're looking for something that will hold you in the seat as you fly around a corner, do not even consider Corvette seats from the 5th or 6th generations. The C5/6 seats are notorious for being completely inadequit for that type of car. C4 sport seats are a good choice if you're a narrower person. The later C4 seats are pretty good(94-96). The late 80s early 90s sport seats are my favorite because the lumbar controls are right there on top next to your thigh. I'm a narrow dude though so I fit nice and snug in the seats.
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Trey
Current rides: 2000 BMW 540i/6 and 86 C10.
Former ride: 1979 Trans Am WS6: LT1/T56, Kore 3 C5/6 brakes, BMW 18in rims
Not sure if they are still around, but I had a set of Arizen seats made to order with OER factory replacement 1969 Pontiac Parchment vinyl. I had a matching rear cover made as well, all for around a grand shipped including brackets. That is hard to beat. I had mine stitched up to match the 4th gen pattern, since I like it alot and I have the deluxe door panels, so they wouldn't clash. I also posted a pic of a black leather set in a 4th gen without the harness slots for comparo.
just got some sparco milano 2 seats. so far just by sitting in them since my car isn't driveable at the moment they are really comfortable. i was thinking about going with corbeau but some people say the material fades fast.