Description
Overview
Complete gearbox rebuild kit for Classic Mini A+ 4-synchro gearboxes.
Designed to suitΒ rod change applications.
This kit provides all core service components required for a standard gearbox rebuild, using SCH bearings throughout and upgraded forged baulk rings for improved durability.
Updated to suit A+ gearboxes, including larger 18mm layshaft specification, corresponding bearing changes and updated later clutch oil seal.
Whatβs Included
- 4x Baulk Rings (forged type)
- 1x Standard A+ Layshaft (18mm type)
- 1x Updated Clutch Oil Seal
- 1x 1st Motion Shaft Bearing (A+ type)
- 1x Double Roller Bearing for Main Shaft
- 1x 1st Motion Shaft Single Row Bearing
- 2x Diff Output Oil Seals
- 2x Layshaft Large Roller Bearings
- 1x 1st Motion Shaft Pilot Bearing
- 1x Gasket Set
- 1x 1st Gear Needle Roller Bearing
- 1x 2nd & 3rd Gear Needle Roller Bearing
- 1x Uprated Diff Pin
- 2x Planet Gears
- 2x Planet Gear Fibre Thrust Washers (Standard Size)
- 2x Planet Gear Bronze Washers (A+ type but suitable for pre A+)
- 2x Diff Side Cover Bush
What This Kit Covers
- Full bearing replacement (SCH bearings)
- Synchromesh components (baulk rings)
- Layshaft replacement
- Oil seals and gasket set
- Includes additional needle rollers not commonly supplied in standard kits
Suitable for a complete gearbox rebuild including differential components.
Important Notes
- Fits A+ 4-synchro gearboxes only
- Rod change only
- Includes differential components
- Not compatible with pre A+ gearboxes due to layshaft and bearing differences
Upgrade Option
A version of this kit is available including upgraded competition layshaft for fast road / race applications. See GRK8.






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