1969-1982 Valve Cover PVC Grommet 2 Piece Plug Kit
This is a two piece PVC valve cover grommet and plug kit, fits hole approx 1 3/16" diameter and material thickness of approx 1/4" max.
Taller piece is a plug which can be cut open if desired, shorter piece is grommet with internal opening of approx 3/4"
Also known under these part numbers: (For reference only)