51-54 Chevy/GMC Black Door Beltline & Glassrun 4 Piece Kit. These beltlines are made from OEM specs to install and fit for an authentic appearance. The beltlines mount with staples (included) to the door and squeeze the glass to reduce rattles and noise levels. The glass runs press into the door channel and secured with weatherstrip adhesive (not supplied). This door channel kit does both drivers and passengers side doors. Limited Lifetime Manufacture Warranty.