Sterndrive Engineering Alpha one Gen 1 Outdrives

SEI SE106 Alpha One Gen 1 Outdrive (Standard)

SEI SE106 Alpha One Gen 1 Outdrive (Standard)

Starting at $1,655.00

Gear Ratio:

1.47 (V8 5.7) 1.62 (V8 5.0/ V6) 1.81 (4Cyl 3.7) 1.94 (4Cyl 2.5/3.0)

Installation Kit

No Yes 90-106-03K

Year

1970-1977 1978 1979 1980 1981 1982 1983-1992

SEI SE106 Upper Unit (Replaces Alpha One Gen 1)

SEI SE106 Upper Unit (Replaces Alpha One Gen 1)

Starting at $825.00

Gear Ratio:

1.47 (V8 5.7) 1.62 (V8 5.0/V6) 1.81 (4Cyl 3.7) 1.94 (4Cyl 2.5/3.0)

Install Kit

No Yes 90-106-03K

Year

1970-1977 1978 1979 1980 1981 1982 1983-1992

SEI SE106 Alpha One Gen 1 Lower Unit Standard Rotation (All Ratios)

SEI SE106 Alpha One Gen 1 Lower Unit Standard Rotation (All Ratios)

$925.00

SEI Marine SE106 MerCruiser Alpha One Gen 1 Lower Unit (COUNTER ROTATING LOWER ALL RATIOS (REPLACES MERCRUISER ALPHA ONE) - Clauss Marine

SEI Marine SE106 MerCruiser Alpha One Gen 1 Lower Unit (COUNTER ROTATING LOWER ALL RATIOS (REPLACES MERCRUISER ALPHA ONE)

$1,125.00

SEI SE106 Alpha One Gen 1 Outdrive (Counter)

SEI SE106 Alpha One Gen 1 Outdrive (Counter)

Starting at $1,855.00

Gear Ratio:

1.47 (V8 5.7) 1.62 (V8 5.0 / V6) 1.81 (4 cyl 3.7) 1.94 (4 cyl 2.5/3.0)

Installation Kit

No Yes 90-106-03K

Year

1970-1977 1978 1979 1980 1981 1982 1983-1992