SEI Marine SE106 MerCruiser Alpha One Gen 1 Lower Unit (All Ratios) Rotation:Counter Rotation (Port Side Twin Engines) Will withstand the water exposures

Will withstand the water exposures normally encountered in above deck applications: salt spray

actual length 12"

SEI replacement trim cylinder ram for MerCruiser Alpha Gen 1 outdrives (Port side

Hydraulic Tubing - 20 foot coil

SEI Marine SE106 MerCruiser Alpha One Gen 1 Lower Unit (All Ratios) Rotation:Counter Rotation (Port Side Twin Engines) Will withstand the water exposuresSEI Marine SE106 Lower Unit Replaces MerCruiser Alpha One Gen 1 (All Ratios) Replaces MerCruiser R, MR, and Alpha One lower units from approximately 19721990. Works for all gear ratios (13 21 tooth count) 13 spline driveshaft Rated up to 300 HP Covered by SEIs 3 Year No Fault Warranty Ships from Florida warehouse Direct replacement no modifications needed