[Richard]

There are a number of online sites that specialize in truck seating. Google Knoedler, ISRI, or Recaro professional seating and you will find them. I do not have experience dealing with any of them, so I won’t comment good or bad. Expect to pay anywhere from 1000 to 2500 per seat depending on how fancy you get.

Something to think about is how you will mount the seat. In an 84, as previously discussed, the bolts simply go through the floor. But, using an integrated seat belt means the force on the seat belt is transferred through the seat into those four bolts. Even with using fender washers, I would not be comfortable doing that. If I were going to use an ISB, I would install a 3/8 steel plate under the fender wheel to transmit the force over a larger surface area. The momentum of the combined seat and passenger in a crash would transmit a considerable force into the rear bolts holding the seat. You don’t really want them pulling through the plywood floor.