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Ford Performance 9" Differential 4-Spring Aggressive Torque Bias

Ford Performance M-4204-F28A


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Estimated to ship directly from the manufacturer on 10/01/18
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Ford Performance 9" Differential 4-Spring Aggressive Torque Bias $506.99
9" Differential
  • 4-Spring Aggressive Torque Bias
  • Street/strip application
  • Rebuildable
  • 28-Spline Axles

  • Ford Performance M-4204-F28A Details


  • 9" differential
  • 28 spline
  • 4-spring aggressive torque bias
  • Street/strip application
  • 1536 steel billet case caps
  • Cast high-strength nodular iron case
  • O.E.M. profile gears made of high-manganese, high-chromium alloy steel
  • Rebuildable

  • Specifications:

    Axle Shaft Spline Quantity
    Aftermarket Carrier Style
    Carrier Material
    Nodular iron
    Sold individually
    Manufacturer's Part Number:

    Ford 9" Performance Street Strip Differentials

    Ford Racing 9" Differentials give you a strong reliable replacement for your factory unit that is designed to handle the most aggressive of street vehicles.

    Traction-Lok This clutch type can really plant the power to the ground through both wheels and usually is rebuild able. It is perfect for applications that are going to be used for straight line street or street/strip use. While designed to allow smooth cornering without any ratcheting our coupling issues it is not the most consistent controlling torque for through the corner acceleration. Traction-Lok differentials typically require a friction modifier for proper performance and longevity.

  • Factory Replacement Units For Late Model Mustangs
  • Original Equipment Quality and Performance
  • Allows for Easy Upgrading to Performance Specific Vehicles

  • M-4204-F28A is rated 5.0 out of 5 by 1.
    Rated 5 out of 5 by from Same product used in another Ford car Similar previously purchased product worked very well, however I haven't had time to install and test this unit yet.
    Date published: 2016-01-02
    • y_2018, m_9, d_23, h_2
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    Some parts are not legal for use in California or other states with similar laws / regulations

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    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.