1949 - 1950 GMC FC251 Complete Weatherstrip Seal Kit. Kit consists of all the weatherstrip that is available from precision which includes: cab windlace, bottom windlace, glue on door weatherstrip, upper channels, chrome style windshield seal with seamed in division bar, beltline kit, rear window seal for 5 window cab. Our product is made from the original specs and from high quality ozone resistant materials to fit your vehicle.