The most reasonably priced component used on the Civic 1987 (h) 3dr Dx 1500 (ka,kl) Rear Seat is the Bolt-washer,8x19.
A sample from the products for the Rear Seat include: Bolt-washer,8x19, Bolt-wash, 6x25, Bolt-washer,8x19.
The Rear Seat assembly is constructed from several parts from which the Bolt-wash, 6x25 is the most expensive.