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  • Porsche 928 4.5L V8 Performance LSD clutch disc set

    RD4057

    Porsche 928 Limited Slip Differential Clutch Plates

    High Performance LSD Upgrade by RacingDiffs

    Upgrade your Porsche 928 limited slip differential with RacingDiffs performance clutch plates designed to improve traction, cooling and durability.

    This kit fits the Porsche 928 4.5L V8 OEM LSD equipped with 27-tooth clutch discs (2.5mm thickness) and installs without any modifications.

    Vehicle Fitment

    This RacingDiffs clutch plate set fits:

    • Porsche 928 4.5L V8 OEM LSD
    • 27-tooth clutch disc configuration
    • 2.5 mm clutch plate thickness

    *Please confirm differential configuration before ordering.

    Kit Contents
    • 4× vented clutch / friction discs
    • 4× dog ear steel plates

    All components are designed for direct installation into the OEM Porsche LSD carrier.

    Performance Benefits
    • Improved traction
      Provides stronger and more consistent differential lock.
    • Enhanced cornering performance
      Improves vehicle stability and power delivery during acceleration.
    • Restores LSD performance
      Ideal solution for rebuilding worn Porsche limited slip differentials.
    • Track-ready durability
      Designed to handle demanding driving conditions.
    Key Engineering Features
    1. Perforated friction plate design

      Clutch plates are perforated to improve oil flow and cooling efficiency, preventing oil build-up between dog ear plates and maintaining consistent friction performance.

    2. Direct OEM replacement

      This kit installs directly into the factory Porsche 928 LSD without any modifications.

    3. Motorsport-grade materials

      Manufactured from high-quality friction materials designed to withstand heavy load and high temperatures.

    Why Choose RacingDiffs
    • Improved cooling
      Perforated clutch design enhances heat dissipation.
    • Superior durability
      Built from premium materials for long service life.
    • Direct fit installation
      Fits OEM Porsche LSD units without modification.
    • Proven motorsport performance
      Used by enthusiasts and racing teams across Europe.
    Recommended Differential Oil

    For optimal performance we recommend:

    Motul Gear Competition 75W140

    This oil provides excellent lubrication and stable friction characteristics for clutch-type limited slip differentials.

    Upgrade Your Porsche 928 Differential

    Replacing worn clutch plates helps restore proper LSD function while improving traction, handling and reliability.

    Upgrade your Porsche 928 differential with RacingDiffs performance clutch plates for stronger lock and longer service life.