The BC Racing ER series of coilover suspension kits offer independent bump and rebound damping adjustment and external oil reservoirs making them perfect for track use as they allow for more precise damping adjustment. They also provide height adjustment which is obtained via the bottom mount rather than the spring platform, this allows for full damper travel at any ride height.30 click independent bump and rebound damper adjustment via two separate knob adjusters to optimise handling characteristicsHeight adjustment via bottom mount to retain full damper travelAdjustable spring platforms for corner weight adjustmentsExternal oil reservoir allows for increased oil capacity, reducing the temperatures and keeping the damping rate more consistent even in race conditions.Pillowball aluminium top mounts with spherical bearings are supplied with some applications. These eliminate flex in the top mount and provide a more positive steering feel. Camber adjustment is included on some vehicles.D