Complete replacement sterndrive.

Replace Mercruiser Alpha One GEN I with 1.47/1.50 ratio.

Model R,MR & Alpha One GEN II sterndrive built from 1972-1990.

Counter rotation sterndrive

Used on following models:

Mercruiser Sterndrives 228 HP 1974-1990.
Mercruiser Sterndrive 225-S 1974.
Mercruiser Sterndrive 233HP 1975-1977.
Mercruiser Sterndrive 250HP 1977.
Mercruiser Sterndrive 260HP 1978-1982.
Mercruiser Sterndrive 898/228HP 1977-1982.
Mercruiser Sterndrive R/MR/Alpha One 1983-1990.
Mercruiser Sterndrive de 1983-1990 including 5.7L, 5.0L (4 Barrels carburetor).
Mercruiser Sterndrive de 1983-1990 including 350, 305 (4 Barrels carburator).
Mercruiser Sterndrive  260 HP, 230 HP, 228 HP.
Mercruiser Sterndrive  5.0L/LX 205hp.
Mercruiser Sterndrive  5.0L/LX 230hp.
Mercruiser Sterndrive  5.7L 230 & 260hp.

Drive shaft 9 9/16''.

Installation kits and anode not include.

Installation kit: SM-90-106-03K.

Anode Kit: SM-90-106-05K.

Sterndrive Engineering Autorized Dealer