The product is a set of 2 NOS (New Old Stock) fuel pump plate mount gaskets specifically designed for Chevrolet vehicles from 1955 to 1993. Manufactured by GM, these gaskets are made in the United States and are suitable for models with engines ranging from 265 to 400 cubic inches. With 4 bolt holes for easy installation, these fuel pump gaskets are a reliable replacement part for ensuring proper fuel delivery in your vehicle.