Roll Restrictor

93
The mountune roll restrictor for the mk6 and mk7 Fiesta ST reduces the amount of engine roll/movement during hard acceleration and gear changing.

With a product such as this, care must be taken with the design and choice of materials, as a poor design can destroy the feel and driving experience of the car. With an extensive background working in the OEM market, mountune have the knowledge and engineering expertise to create a product which can reduce the engine movement by the desired amount, but with minimal effect to the NVH (Noise Vibration Harshness) level.

The mountune roll restrictor is machined from high quality aluminum, and features a unique Powerflex polyurethane front and large rear oval bushing – which helps with horizontal plane NVH.

The bonus of using polyurethane is that not only has it been engineered to give increased stiffness without causing excessive vibrations, it also doesn’t deteriorate like rubber does, so the service life of the component is greatly increased.


Kit features:

  • High quality anodised billet aluminum body
  • Powerflex polyurethane bushes
  • Reduction in engine movement 
  • Minimal effect on NVH

INSTALLATION NOTE: The main RR subframe bolt should be tightened to a torque value of 50Nm, while the three gearbox bolts should be tightened to 46Nm.

Installation:

Customer Reviews

4.9 Based on 91 reviews
5 ★
93% 
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A
06/05/2019
Anonymous
United Kingdom

Roll restrictor

Easy fit ,improves car making it feel firmer,no vibration that is noticeable.

TR
22/03/2019
Tom R.
United Kingdom

Awesome!

Great product as usual easy to install and big improvement.

J
18/02/2019
James

Roll Restrictor

Another great addition from Mountune! Really makes a difference when you give it some throttle, it just feels like the car is more comfortable under hard acceleration. On idle, it is a little bit lumpy, not enough to bother me though. However I did have it fitted alongside the short shift arm and the 185 kit all in the same day so I couldn’t say for sure if the roll restrictor causes that. Either way, it works tremendously on the road, which is all that matters! Again, as all the other products I’ve experienced, top marks Mountune!


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