1981 - 1985 GMC C2500 Complete Weatherstrip Seal Kit. Kit consists of all the weatherstrip that is available from precision which includes: door weatherstrip, molded upper door weatherstrip, upper channel, vent weatherstrip kit, large rear window seal, chrome style windshield seal, beltline kit, chrome lockstrip. Our product is made from the original specs and from high quality ozone resistant materials to fit your vehicle.