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  • Upper Gear Case | SE116 | 1.47 Ratio Conversion | Gen II
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    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%)
    Notify me
  • 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
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    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%)
    Notify me
  • Upper Gear Case | 90-116-01C | 1.62 or 2.0 Ratio | Gen II
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    Upper Gear Case | 90-116-01C | 1.62 or 2.0 Ratio | Gen II SKU: SE90-116-01C
    MPN: 90-116-01C

    $965.00
    $1,071.15
    $965.00
    (-10%)
    Restore the dependable power of your drive system with this Premium Aftermarket Replacement for Mercruiser Alpha One Gen II upper gear housings. Engineered for mid-range torque, this unit is available in both 1.62 and 2.0 Gear Ratios to match your specific engine configuration. Built...
    $965.00
    $1,071.15
    $965.00
    (-10%)
    Notify me
  • Upper Gear Case | 90-116-01BM | 1.81 Ratio Conversion
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    Upper Gear Case | 90-116-01BM | 1.81 Ratio Conversion SKU: ST-90-116-01BM

    $1,065.00
    $1,182.15
    $1,065.00
    (-10%)
    Optimize your drive’s power delivery with this Modified Upper Gear Case Conversion, engineered as a Premium Aftermarket Replacement for Mercruiser Alpha One Gen II units. This specialized assembly features a precision-calibrated 1.81 Gear Ratio, designed to enhance Propulsion Efficiency and Torque Transfer in mid-range...
    $1,065.00
    $1,182.15
    $1,065.00
    (-10%)
    Notify me
  • 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%)
  • Upper Gear Case | 90-116-01AM | 1.94 Ratio Conversion
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    Upper Gear Case | 90-116-01AM | 1.94 Ratio Conversion SKU: ST-90-116-01AM

    $1,065.00
    $1,182.15
    $1,065.00
    (-10%)
    Streamline your drive’s performance with this Modified Upper Gear Case Conversion, precision-engineered as a Premium Aftermarket Replacement for Mercruiser Alpha One Gen II units. This specialized assembly features a 1.94 Gear Ratio, specifically designed to replace and consolidate older 1.98 and 2.4 ratio configurations....
    $1,065.00
    $1,182.15
    $1,065.00
    (-10%)
    Notify me
  • Upper Gear Case | 90-116-01A | 1.94 or 2.40 Ratio | Gen II

    Upper Gear Case | 90-116-01A | 1.94 or 2.40 Ratio | Gen II SKU: SE90-116-01A
    MPN: 90-116-01A

    $965.00
    $1,071.15
    $965.00
    (-10%)
    Restore reliable power and smooth operation to your drive system with this Premium Aftermarket Replacement for Mercruiser Alpha One Gen II upper gear housings. Available in 1.94 and 2.40 Gear Ratios, this assembly is engineered to deliver high-torque mechanical advantage for smaller engine configurations....
    $965.00
    $1,071.15
    $965.00
    (-10%)

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