OMC 912971 912972 Cobra 1985-1989 4.3L V6 Valve Rocker Covers Cylinder Head Thermostat Housing Parts I think the 12076-C1 version

I think the 12076-C1 version was just easier to cast than the previous version

This was off a Mercruiser 350 Rochester Quadrajet 4 barrel

1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979

Priced for condition

you may need to swap these

OMC 912971 912972 Cobra 1985-1989 4.3L V6 Valve Rocker Covers Cylinder Head Thermostat Housing Parts I think the 12076-C1 versionItem Details Price is for the pair (right & left as pictured) 912971 0912971 Starboard Valve Rocker Cover 912972 0912972 Port Valve Rocker Cover 985071 0985071 Oil Cap Generally found on most OMC Cobra & Stringer 4. 3L 2bbl & 4bbl models 1985 1989 (These will work for 1990 1993 models as well but the oil cap style is different) Condition: Overall Good shape, Original Paint Freshwater used part 1985 1986 1987 1988 1989 1990 1991 1992 1993 4. 3L 170hp