Description
SEI 106-1.50
- Mercruiser and Alpha One Gen 1 replacement upper unit.
- For 1974 – 1990 models with 205 / 230 / 260 horsepower V8 motors.
- 1.47 and 1.50 gear ratio with a 20 – 22 tooth count.
- Compatible with 888, 898, 228, 225-S, 233, 250, 260, 5.0 liter
305 and 5.7 liter 350 models - Serial numbers 2763442 and up.





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