Complete Sterndrive | SE104 | 1.62 Ratio | Counter Rotation

Complete Sterndrive | SE104 | 1.62 Ratio | Counter Rotation

$2,165.00
$2,403.15
$2,165.00
(-10%)
SKU: ST-GEN-I-1_62-COMPLETE-SHORT-YOKE-CR
Key Features :
  • Precision Counter-Rotation Gearing
  • Heavy-Duty Housing Construction
  • Saltwater Corrosion Resistance
Please hurry! Only 20 left in stock
Subtotal: $2,165.00
Complete Sterndrive | SE104 | 1.62 Ratio | Counter Rotation

Complete Sterndrive | SE104 | 1.62 Ratio | Counter Rotation

$2,403.15 $2,165.00
Complete Sterndrive | SE104 | 1.62 Ratio | Counter Rotation

Complete Sterndrive | SE104 | 1.62 Ratio | Counter Rotation

$2,403.15 $2,165.00

    Restore balanced handling and eliminate steering torque with this Complete Counter-Rotating Sterndrive, a premium aftermarket replacement for Alpha One Gen I style drives. Engineered with a 1.62 gear ratio, this unit is optimized for high-horsepower V8 and high-output V6 engines, providing smooth power transmission and improved tracking in twin-engine setups. The assembly features an 8-1/8" Short Input Yoke and heavy-duty internal gearing housed in a corrosion-resistant casing, ensuring long-term durability in both freshwater and saltwater environments.

    Ideal Applications

    • Twin-Engine Offshore Powerboats

    • High-Performance Coastal Cruisers

    • Saltwater and Brackish Water Navigation

    • Brand: SEI
    • Part Number: GEN-I-1_62-COMPLETE-SHORT-YOKE-CR
    • OEM / Cross-Reference: SE104-CR, 90-104-02
    • Engine Compatibility: Alpha One Gen I (V8 & High-HP V6)
    • Year Range: 1967–1990
    • Gear Ratio: 1.62:1
    • Input Yoke: 8-1/8" (Short Style)
    • Rotation: Counter-Rotation (Left Hand)
    • Horsepower Rating: Up to 300HP
    • Drive Type: Complete Sterndrive (Upper & Lower)
    • Fits Alpha One Gen I, R, and MR models (1967–1990)
    • Optimized for V8 and high-output V6 engine configurations
    • Equipped with a 1.62 Gear Ratio
    • Features an 8-1/8" Short Input Yoke
    • Verify Rotation: This is a Counter-Rotation (Left Hand) unit; do not install in a standard single-engine or right-hand position.
    • Check Yoke Length: Specifically fits models requiring the 8-1/8" short yoke; will not fit drives requiring the long yoke.
    • Confirm Drive Generation: Only compatible with Gen I style drives; will not fit Alpha One Gen II (1991–Present) models.

    Mariners Warehouse vs Others

    Built to match OEM standards while delivering reliable performance and peace of mind.

    Features

    Mariners Warehouse

    Others
    Performance ✔️ ❌
    Warranty Support Reliable warranty Limited or unclear warranty terms
    Customer Trust Trusted by thousands of marine customers Unverified buyer trust
    Pre-tested before shipping for reliability ✔️ ❌
    OEM performance standards ✔️ ❌
    Simple return process ✔️ ❌

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