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    Home / Products / Mazda Miata (MX5) - LSD conversion set
    RacingDiffs LSD installed in Mazda MX5 NB 1.8 differential showing internal clutch type locking mechanism
    Close up of clutch type LSD mechanism for Mazda MX5 NB showing internal springs and locking plates
    MX5 nb clutch type lsd
    RacingDiffs LSD installed in Mazda MX5 NB 1.8 differential showing internal clutch type locking mechanism
    Close up of clutch type LSD mechanism for Mazda MX5 NB showing internal springs and locking plates
    MX5 nb clutch type lsd

    Mazda Miata (MX5) - LSD conversion set

    RD5017

    329,00€239,00€
    Differential model

    Mazda MX-5 NB LSD Conversion Kit (1.8 Differential)

    Eliminate One-Wheel Spin & Unlock True Rear-Wheel Performance

    Upgrade your Mazda Miata with the RacingDiffs Progressive LSD Conversion Kit, engineered specifically for Mazda MX-5 NB 1.8 (1997–2005).

    This kit transforms your open differential into a clutch-type limited slip differential with approximately 25% locking effect, improving traction, corner exit grip and overall driving control.

    What Problem Does This Solve?
    • One-wheel spin during acceleration
    • Loss of traction when exiting corners
    • Unpredictable behavior in spirited driving

    The RacingDiffs LSD conversion kit ensures torque is delivered to both rear wheels, providing improved grip, stability and driving confidence.

    Fitment
    • Mazda MX-5 Miata NB 1.8 (1997–2005)

    Other Mazda applications coming soon.

    Why RacingDiffs Over Cheap LSD Kits
    • No metal shavings issue – friction discs protect internal components.
    • Tool steel construction – heat-treated and nitrided for long service life.
    • ZF-inspired progressive locking – smooth in daily driving, aggressive under load.
    • Reliable performance – proven solution used in drift and track applications.
    Key Features
    • Approximately 25% locking rate
    • Progressive engagement for street and performance driving
    • Easy installation
    • Complete kit with all necessary components
    • Heat-treated and nitrided plates for maximum durability
    Performance Benefits
    • Improved traction during acceleration
    • Better corner exit grip
    • More predictable rear-end behavior
    • Enhanced driving confidence on street and track
    Installation

    The kit includes all components required for installation.

    Before installation, inspect the inner surface of the spider gears. They must be smooth and undamaged. If necessary, machine the surface to prevent premature wear.

    Upgrade your Mazda MX-5 NB differential with RacingDiffs and experience true limited slip performance.

    *Product appearance may vary slightly due to continuous improvements.