OMC Cobra Stringer 1984-90 4cyl Gearcase Lower Unit Upper Lower Mounting Bolts Transom Clamp Bracket ) GM 305 V-8 1977-1978)

) GM 305 V-8 1977-1978)

140hp S/N 02816416 & Below

Removed from a Vintage Mercury 115Hp 1150 6 cylinder 2 Stroke

but I'm pretty sure these are the same as the ones in the SX drives

Engine configuration does not matter

OMC Cobra Stringer 1984-90 4cyl Gearcase Lower Unit Upper Lower Mounting Bolts Transom Clamp Bracket ) GM 305 V-8 1977-1978)Item Details Complete Set, 4CYL MODELS ONLY 1986 1990 Everything you need to mate the upper and Lower gearcase on an OMC COBRA 1986 1990 4cyl Lower Unit and also OMC Stringer 400 1984 1985. Stainless Steel Screws and Lock Washers Used from 1984 1990 on all of the SMALLER OMC Cobra & Stringer gearcases GM 120hp 2. 5L 4cyl GM 140hp 3. 0L 4cyl 2. 3L 140hp Ford 4cyl 1991 & Newer used the larger V6 gearcases for the 4cyl Cobra applications which required