Billet Short-Shift Arm V2 [Mk4 Focus ST] 2.0 Duratec Please note: Supplied in a

Please note: Supplied in a pack of 4 plugs

From the outset it was clear that to increase the power output significantly

the mountune Focus RS airbox has been designed and tested to meet OE standards

Uprated spring poundage

Billet Short-Shift Arm V2 [Mk4 Focus ST] 2.0 Duratec Please note: Supplied in aThe mountune Billet Short Shift Arm for the Mk4 Focus ST replaces the OE shift arm located on the gearbox and provides shorter, crisper gear changes, for an enhanced driving experience. After considerable evaluation, our engineering team determined the optimum shifter throw reduction on the Mk4 Focus ST to be 20%, which allows for quicker and more precise gear changes, but thanks to the engineered billet steel counterweights, doesn't sacrifice any