1969-1988 CORVETTE C3 & C4 PCV VENT VALVE GROMMET WITH ALUMINUM VALVE COVERS.GENERAL MOTORS PART NUMBER 3989349.
69-74 uses 1 in LH and RH aluminum valve covers, 75-88 uses 1 in the LH aluminum valve cover This vent grommet measures 1 1/8 inch OD, ID is 11/16 inch. The overall height is 11/16 inch. Fits 1 inch hole.
FITS: 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 CORVETTES.
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