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Mark 50E 1956 1957
Rubber Mount: 90435
3L (GEN II) (2 BBL
Trim Switch (Momentary Up & Down) - Used with OMC Stringer for drive trim
4L V8 305 350
MerCruiser 1547-8969 Alpha One Gen1 Upper Unit Gearcase Housing Empty 1547-8264 Harmonic Balancer Mark 50E 1956 1957Item Description This particular unit is probably from 1983 1986ish. basically the housings are the same internally no matter what drive engine you have from that period of 1983 1990 with this style of housing (I 4 4cyl, I 6 cyl, V8 120hp, 140hp 165hp, 2. 5L, 3. 0L 4cyl, 4. 1L 3. 7L 4. 3L V6 170, 470, 898, 305, 350, etc..) This is one of the more unique upper casings as it was basically an early Gen I upper that didn't have the square horizontal
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