MerCruiser Sterndrive Alpha One Upper Lower Unit Mating Hardware Nut Screw Set Thermostat Housing Parts and seems to be just

and seems to be just limited to the outer exterior edges

For 888 drives s/n 3784375 and up

but nothing too crazy

Excellent shape

Found on various Mercury Outboards & possibly others 90hp (1979-1986)

MerCruiser Sterndrive Alpha One Upper Lower Unit Mating Hardware Nut Screw Set Thermostat Housing Parts and seems to be justItem Details This is a stock photo. You will receive one in similar condition. This is basically a complete set of hardware to mate a MerCruiser Upper housing to the lower housing on the gearcase for Pre Alpha and Alpha one gearcases 1965 1999 Generally Freshwater Used Parts Good condition. Part Numbers Included 11 34933 11 859116 Bell Housing Nut (5 of them) 10 32470 Screw (Screw for attaching Trim Tab Anode) (1) 10 30206 Screw (1) Compatibility This