This deserves a separate thread and discussion:
Says it fits the RS 4WD gearbox: https://shop.quaife.co.uk/ford-focus...ential-gearkit
@RocketRS brought this up, so I did a little digging. What a nugget!
**Coming soon**
Key features of the QKE46Z:
I suspect it will be PRICEY.
Jim
Says it fits the RS 4WD gearbox: https://shop.quaife.co.uk/ford-focus...ential-gearkit
@RocketRS brought this up, so I did a little digging. What a nugget!
**Coming soon**

Key features of the QKE46Z:
- Compatible with both ST250 2WD and RS 4WD gearboxes
- Gearkit reuses original bellhousing from donor gearbox
- Drum style shift mechanism for fast, reliable gear changes
- Retains OEM clutch, differential, driveshafts and mounts
- Optional Quaife ATB differential
- Strengthened outer casing
- 5 wider than standard gears for additional strength
- Choice of straight cut or helical gear ratios, and 1 straight cut & 2 helical final drive options
- New generation of gearchange mechanism allows fitment into front or rear wheel drive configurations
- Compatible with flat shift systems
- Includes oil temprature sensor
- Supplied with either a manual lever and cable or air actuator for paddleshift
I suspect it will be PRICEY.
Jim