GR Yaris / Corolla Upper Gearbox Mount Insert
Powerflex
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Product details
Powerflex Upper Gearbox Mount Insert to suit Toyota GR Yaris (2020 on) and GR Corolla (2023 on).
The upper Gearbox Mount Insert is an affordable and easy-to-fit bush insert made from PowerFlex's Yellow 70A Durometer vibration-absorbing material, which works to stiffen the OEM upper gearbox mounting.
This reduces twist of the engine under acceleration and during gear changes, giving the driving experience a more direct feel, as well as reducing wheel-hop and letting you get the power down that little bit quicker. There will be a minor increase in NVH when stiffening the powertrain mountings. Made from our Yellow 70A material and works by stiffening the OEM powertrain mounts reducing the amount of engine/trans roll and movement during hard acceleration and gear changing for a more responsive feel.
Disclaimer
No claims are made regarding the legality of any parts for road use. Parts are supplied for off-road/competition use only — it is the customer's responsibility to confirm local regulations before fitting parts for road use.