![Track Spec Roll Restrictor Bush Upgrade Kit [MK8 / MK8.5 Fiesta ST / Puma ST 1.5] 400 Rally and Rallycross engines](https://cdn.shopify.com/s/files/1/0367/2621/files/2709_RRBU_AA.png?v=1782310512)
Pay in 4 interest-free payments of $12.71 Learn more
Ships within 48 hours · Estimated delivery Jul 25 - Jul 30
Rally and Rallycross engines
this kit delivers exceptional performance
reduced torque steer and snatching in front wheel drive cars
maximising the available airflow through the filter assembly
The latter of which neatly transitions the airflow and pipework diameter presented to the OE
Track Spec Roll Restrictor Bush Upgrade Kit [MK8 / MK8.5 Fiesta ST / Puma ST 1.5] 400 Rally and Rallycross enginesThe mountune MK8 MK8. 5 Fiesta ST Puma ST Track Spec Roll Restrictor Upgrade Bush Kit has been developed for enthusiasts looking to maximise drivetrain control during track use. (This is designed to replace the existing bushes on your current mountune Roll Restrictor) Manufactured from high performance 92A polyurethane, the Track Spec bush significantly reduces engine movement under hard acceleration, aggressive gear changes and high load conditions.
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