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mountune Stage 1 Focus RS Gearbox Upgrade
mountune Stage 1 Focus RS Gearbox Upgrade

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Availability: Temporarily Unavailable.
Product Code: 2363-GS1-AA


mountune Stage 1 Focus RS Gearbox Upgrade


mountune's Stage 1 Focus RS gearbox upgrade offers the ability to cope with greatly increased power / torque outputs and improves traction, while maintaining maximum reliability.

Based around standard gears and internal parts that feature shot-peening for additional strength, additionally every bearing is upgraded to a more reliable unit that features a steel race, rather than the OE plastic equivalent.

To further improve the mountune Stage 1 gearbox's strength and to help improve drivability and enhance traction further, a Quaife ATB differential is also fitted as part of the upgrade. Price is outright, not exchange.

Quick shift not included.


  • Fully assembled
  • Shot-peened and super-finished gears and crown wheel
  • Uprated bearings throughout
  • Quaife ATB differential included

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