OMC 911659 0911659 Cobra Rear Flywheel Housing V6 V8 3.0L 4.3L 5.7L GM 1986-1987 Power Steering so this is not entirely

so this is not entirely uncommon

1970 1971  1972  1973  1974  1975  1976  1977  1978  1979  1980  1981 1982 1983 1984 1985 1986 1987 1988 1989

Generally used 1983-1986 on GM 4

as this will not work with most 1970's & beyond 120hp & 140hp setups)

but functional and rubber is in good shape yet)

OMC 911659 0911659 Cobra Rear Flywheel Housing V6 V8 3.0L 4.3L 5.7L GM 1986-1987 Power Steering so this is not entirelyItem Details OMC Cobra 0911659 0911659 Transom Rear Flywheel Housing Assembly (1986 1987) Uses 5 Hole inspection cover There are actually TWO common versions of these with the same stamped number that look different but have the same stamped part number but they are both interchangeable The later 1987 version typically has a flange at the top that is similar to the 913283 (1988 1989) casting but doesn't have an extra set of drilled holes at the top.