1981 - 1988 Chevrolet Monte Carlo 2 Dr Coupe - Beltline Weatherstrip Seal Kit, Pair, Left and Right Hand. The beltlines mount on the top of the door to squeegee the door glass on the inside. This 2 piece kit attach to the driver and passenger doors with the included rivets. Our product is made from the original specs and from high quality ozone resistant materials.