This is the instrument cluster bezel trim panel for 1986-1989 Chevrolet Corvette C4 vehicles. This panel also includes the vent. This is a black colored plastic panel. This does have some cracks on the mounting hole on the front panel on the right side. (Cracks and blemishes are circled in red in the pictures) This does have the rubber gasket for the hole on the side panel.

GM part # 14078656

Item is number 40 in the GM diagram.