Description
Overview
Complete gearbox rebuild kit for Classic Mini pre A+ 4-synchro gearboxes.
Designed to suit both remote and rod change applications, including idler gear for remote setups.
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.
Fitted with a 14mm uprated competition layshaft for improved strength over standard setups.
Whatβs Included
- 2x Idler Gear Bearings
- 4x Baulk Rings (forged type)
- 1x Uprated 14mm Competition Layshaft
- 1x Oil Seal
- 1x 1st Motion Shaft Bearing
- 1x Double Roller Bearing for Main Shaft
- 1x Layshaft Needle Roller Bearing
- 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
What This Kit Covers
- Full bearing replacement (SCH bearings)
- Synchromesh components (baulk rings)
- Uprated layshaft replacement (14mm competition type)
- Oil seals and gasket set
- Includes additional needle rollers not commonly supplied in standard kits
Suitable for a complete gearbox rebuild excluding differential components.
Important Notes
- Fits pre A+ 4-synchro gearboxes
- Suitable for remote and rod change applications
- All parts are brand new
- Does not include differential components or gears
- Uprated layshaft offers increased strength over standard versions
Upgrade Option
A version of this kit is available including differential rebuild components if required. See GRK4






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