Replaces most Mercruiser sterndrives 228 hp and above from 1974 to 1990. Ships in two boxes. Comes with a 9-9/16 new input yoke. Does not include the full installation kit or the anode kit. Please see the corresponding items below. Replaces Mercruiser Z-Drive 225-S 1974 Replaces Mercruiser Z-drive 233 1975–1977 Replaces Mercruiser Z-Drive 250 1977 Replaces Mercruiser Z-Drive 260 1978–1982 Replaces Mercruiser Z-drive 898/228 1977–1982 Replaces Mercruiser Z-drive R/MR/Alpha One 1983–1990 Typical liter applications for 1983-1990 Mercruiser sterndrive engines include 5. 7L, 5. 0L (4-barrel carburetor) Typical cubic inch applications for Mercruiser sterndrive engines from 1983 to 1990 include 350 and 305 (4-barrel carburetor)