Valve cover grommet, also known as a positive crankcase ventilation grommet.
Dimensions: 0.486" ID x 1.071" OD x 1.248" Thickness
Fits the following Oldsmobile vehicles equipped with 260/307/350/400/403/455 c.i.d Oldsmobile engines:
442 1968-71
98/Ninety Eight 1968-83
Custom Cruiser 1971-90
Cutlass 1968-81
Cutlass Calais 1978-84
Cutlass Cruiser 1980-82
Cutlass Salon 1975-80
Cutlass Supreme 1968-88
Cutlass Tiara 1976
Delmont 88 1968
Delta 88 1968-84
F85 1969-72
Omega 1973-77
Toronado 1968-85
Vista Cruiser 1968-75