Ford Focus RS Mk2 MkII BC Coilovers 2009 on

The BR series coilovers use a large 46mm diameter piston in a 53mm diameter damper body to maximise oil capacity. As the damper unit opearates the oil contained within heats up. The viscosity of oil changes as its temperature varies which can lead to changes in the damping characteristics of the unit.

BC Racing only use a very high quality oil with their coilovers but go that extra mile to maximise performance and build their BR range with a large 53mm diameter damper body. This increases the capacity of the unit which increases the volume of oil contained which in turn reduces the peak temperature and so significantly improves damper performance.

Big thanks to Tony Ablett and JAG Photography for use of images of his Focus on BC Coilovers. If you havent already checked out the best owners club for these motors, sign up to www.fordrst.com friendly group very helpful and plenty of meets.

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