The Sparco 600 seat base for 1985–1989 Mazda B‑Series truck applications supplies a mounting component intended for compatible seats on those model years. This shopper-facing overview normalizes the catalog fragment, specifying the likely 1985–1989 year coverage so buyers can confirm the base suits the B‑Series truck’s seat mounting locations.

Sparco 600 Base Mazda B Series Truck 85-9