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Transmission Upgrade Kit

The mountune transmission upgrade kit for mk2 Focus ST contains everything you need to improve your car's traction and capacity to deal with substantial performance increases - 440Nm+ in the case of mountune's MR290 upgrade.

The clutch unit is a complete mk2 Focus RS assembly, including clutch drive-plate and cover, dual-mass flywheel and slave cylinder, using OE-quality parts.

The kit also features the World-renowned Quaife ATB Differential which helps uprated ST's transmit as much torque as possible through the front wheels.

In addition, this pack is supplied with new differential bearings, replacement clutch and diff bolts, and ARP crown wheel bolts.