2008-14 WRX & STi BC Racing ER Series Coilovers

2008-14 WRX & STi BC Racing ER Series Coilovers


The ER series is BC's newest and most advanced coilover design to date. ER series coilovers feature large external front and rear fluid reservoirs with separate adjustments for rebound and compressions. An advanced twin piston shock design separates the ER series from rest of the pack, with pistons in both the shock body and the external reservoir for pinpoint accuracy. The external reservoir system holds dampening fluid separate for the main assembly, allowing more precise and repeatable shock feedback without overheating. The BC Racing ER series coilovers represent the absolute ultimate in suspension versatility and adjustability for the serious racing enthusiast.

Features and Specs:

  • Mounts: (F) Pillowball (R) Pillowball
  • Spring Rates: (F) 8kg/mm (448lbs/in) (R) 8kg/mm (448lbs/in)
  • Dual piston design (one in reservoir, one in shock body)
  • Fixed cup/locking collar design
  • 30 levels of rebound adjustment through shock body
  • 30 levels of compression adjustment through external reservoir
  • Fully threaded shock body for height adjustment
  • Clicking adjustment knobs for added tactile feedback
  • Fully rebuildable
  • 1 year warranty against manufacturer defect


  • Subaru WRX 2008-2014
  • Subaru STi 2008-2014

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