55-59 Chevy/GMC Door Gaskets & Black Beltline Kit. These door gaskets attach with supplied clips and feature a mitered corner. The beltlines are made from OEM specs to install and fit for an authentic appearance. The beltlines mount on the top inner and outer part of the door to squeeze the glass and reduce rattles and noise levels. The glass runs press into the door channel and secured with weatherstrip adhesive (not supplied). Kit also include the division bar felt complete the install. This kit does both drivers and passengers side doors. Limited Lifetime Manufacture Warranty.