1955 - 1959 GMC 350-8 Windshield Weatherstrip Seal With Trim Groove For Steel Trim. This windshield seal fits the 2nd series. This application goes first on the glass and is installed using the rope-in method. The trim groove requires you to re-use your chrome trim. Made from ozone resistant EPDM rubber and from the same OE specs as the original for an authentic fit and finish.