60-61 Chevy Truck Door Seals 4-PC Kit. The main door gaskets attach to the cab and seals the door to the cab. The upper seals attach to the top of the each door. These are factory glue-on style gaskets and require 3M weatherstrip adhesive or equivalent to install. Gaskets are made from high quality, ozone resistant EPDM rubber. Limited Lifetime Manufacture Warranty.