BC Racing ER Series – Ford Fiesta ST (2013–2017) | 8/7 kg/mm

Transform the performance and handling of your Ford Fiesta ST (2013–2017) with the BC Racing ER Series coilovers — a premium 2-way adjustable suspension system engineered for drivers who want maximum control, precision and adjustability on both street and track.

The ER Series features separate rebound and compression adjustment, allowing you to fine-tune chassis behaviour with exceptional accuracy. The external reservoir improves heat dissipation and maintains consistent damping even under aggressive driving, making it the ideal choice for fast road builds, time attack setups and track-focused Fiesta ST owners.

With 8 kg/mm front and 7 kg/mm rear spring rates, this kit delivers sharp turn-in, reduced body roll and a stable, predictable driving feel. BC’s monotube damper design, independent height adjustment and premium CNC-machined components ensure long-term reliability and professional-grade performance.

Perfect for drivers who demand more than the standard BR/DS configuration — the ER Series is BC Racing’s most versatile and track-oriented coilover system available for the Fiesta ST platform.

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Key Features

• Fits Ford Fiesta ST FWD (2013–2017)

• Spring rates: 8 kg/mm (front) / 7 kg/mm (rear)

• BC Racing ER Series – 2-way adjustable (rebound + compression)

• External reservoirs for superior thermal stability

• 30-way damping adjustment (per circuit)

• Monotube shock absorber design

• Independent ride height adjustment

• Pillowball top mounts (platform dependent)

• CNC-machined brackets and hardware

• Fully rebuildable and serviceable

• Ideal for fast road, track and competition use

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Why Buy From Torque Lab?

• Official BC Racing dealer

• CoC certificate available for homologation/atest

• EU-wide shipping

• Technical support for setup & fitment

• Reliable lead times (10–15 working days)