81-86 Chevy/GMC Door Gaskets, Beltline & Glassrun Kit. These door gaskets attach to the cab and seals the door to the cab. This is a factory style that presses onto the factory pinch weld. The beltlines are made from OEM specs to install and fit for an authentic appearance. The beltlines mount with the pre-applied clips 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 door channel kit does both drivers and passengers side doors. Limited Lifetime Manufacture Warranty.