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  • Upper Gear Case | SE106 | 1.94 Ratio | Short Yoke

    Upper Gear Case | SE106 | 1.94 Ratio | Short Yoke SKU: SE90-104-01A
    MPN: 90-104-01A

    $965.00
    $1,071.15
    $965.00
    (-10%)
    Restore efficient power transfer and smooth operation to your drive with this Premium Aftermarket Replacement for Mercruiser Alpha One (Generation 1) upper gear housing. Specifically configured with a 1.94 Gear Ratio and a Short 8-1/8" Input Yoke, this unit is the definitive solution for...
    $965.00
    $1,071.15
    $965.00
    (-10%)
  • Upper Gear Case | SE116 | 1.47 Ratio Conversion | Gen II
    Out Of Stock

    Upper Gear Case | SE116 | 1.47 Ratio Conversion | Gen II SKU: ST-90-116-01DM

    $1,065.00
    $1,182.15
    $1,065.00
    (-10%)
    Optimize your propulsion system with this 1.47 Ratio Upper Gear Case Conversion, specifically engineered as a Premium Aftermarket Replacement for Mercruiser Alpha One Gen II units. This modified assembly is designed to convert or replace standard 1.50 Ratio drives with a precision-calibrated 1.47 Gear...
    $1,065.00
    $1,182.15
    $1,065.00
    (-10%)
    Out Of Stock
  • Upper Gear Case | SE116 | 1.47 Ratio | Alpha One Gen II

    Upper Gear Case | SE116 | 1.47 Ratio | Alpha One Gen II SKU: SE90-116-01D
    MPN: 90-116-01D

    $965.00
    $1,071.15
    $965.00
    (-10%)
    Restore the heart of your drive with this Premium Aftermarket Replacement for Mercruiser Alpha One Gen II units. Engineered with a 1.47 Gear Ratio, this upper gear housing delivers the high-torque performance and cooling efficiency required for V8 marine engines. Constructed with High-Strength Alloys...
    $965.00
    $1,071.15
    $965.00
    (-10%)
  • Upper Gear Case | SE116 | 1.62/2.0 Ratio Conversion | Gen II
    Out Of Stock

    Upper Gear Case | SE116 | 1.62/2.0 Ratio Conversion | Gen II SKU: ST-90-116-01CM

    $1,065.00
    $1,182.15
    $1,065.00
    (-10%)
    Restore precision power delivery to your drive with this Modified Upper Gear Case, engineered as a Premium Aftermarket Replacement for Mercruiser Alpha One Gen II units. This specialized assembly is designed for Conversion Applications, allowing for a transition to 1.62 or 2.0 Gear Ratios...
    $1,065.00
    $1,182.15
    $1,065.00
    (-10%)
    Out Of Stock
  • Upper Gear Case | SE116 | 1.81 Ratio | Alpha One Gen II

    Upper Gear Case | SE116 | 1.81 Ratio | Alpha One Gen II SKU: SE90-116-01B
    MPN: 90-116-01B

    $965.00
    $1,071.15
    $965.00
    (-10%)
    Restore peak propulsion efficiency to your drive system with this Premium Aftermarket Replacement for Mercruiser Alpha One Gen II upper gear housings. Engineered with a 1.81 Gear Ratio, this unit is precision-calibrated for mid-range torque delivery and High-Load Performance. Built with Heavy-Duty Internal Gears...
    $965.00
    $1,071.15
    $965.00
    (-10%)

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