1966 Mercury Comet equipped with 7.0L V8 Gas OHV, 6.4L V8 Gas OHV, 4.7L V8 Gas OHV, 3.3L L6 Gas OHV, 2.8L L6 Gas OHV
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Rear Differential
FSGR with 5 Hole with Ford 9.0in Axle
1966 Mercury Comet equipped with 7.0L V8 Gas OHV, 6.4L V8 Gas OHV, 4.7L V8 Gas OHV, 3.3L L6 Gas OHV, 2.8L L6 Gas OHV
Rear Differential
FSGR with 5 Hole with Ford 9.0in Axle