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Ford - LSD conversion set
RD5012
329,00€199,00€ - 219,00€
Ford Sierra LSD Conversion Kit (Also Fits Focus ST & Kit Cars)
Fix One-Wheel Spin & Unlock True RWD Grip
Upgrade your Ford Sierra, Focus Mk1 ST or kit car with the RacingDiffs Progressive LSD Conversion Kit.
Designed for non-LSD differentials, this kit converts your factory open differential into a clutch-type limited slip differential with ~25% lock, delivering improved traction, control and driving performance.
What Problem Does This Solve?
- One-wheel spin under acceleration
- Loss of traction in corners
- Unstable behavior in lightweight RWD cars
The RacingDiffs LSD distributes torque to both wheels, giving your car consistent grip and predictable handling.
Fitment Compatibility
Ford:
- Ford Sierra (non-LSD differential)
- Ford Focus Mk1 ST
Kit Cars:
- Super 7 / Seven replicas
- MK Indy
- Westfield
- Striker
- Locost
Why RacingDiffs Over Cheap LSD Kits
- No metal shavings issue – friction discs protect internal components.
- Tool steel construction – heat-treated and nitrided for durability.
- ZF-inspired progressive locking – smooth on street, aggressive under load.
- Perfect for lightweight cars – ideal for kit cars and track builds.
Key Features
- ~25% locking rate
- Progressive engagement (street-friendly)
- Easy installation (easy-mount version)
- Complete kit – all parts included
- Heat-treated & nitrided components
Performance Benefits
- Improved traction and acceleration
- Better corner exit performance
- More predictable handling
- Transforms lightweight RWD driving experience
From Sierra builds to lightweight kit cars — upgrade your differential and feel the grip instantly.
*Product may vary slightly due to continuous improvements.
