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New Cosworth Products Updated: Monday, May 25, 2009

2008+ STI Dual AVCS Camshafts

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After extensive dyno testing, we are pleased to release our S2D camshaft set for the 2008 and newer Subaru STI. These camshafts are ground on new billets specifically for the EJ257B Dual AVCS engine.

Cosworth camshafts are designed for maximum usable power and excellent boost and throttle response. The S2 camshaft profile has been proven in many high power race cars and is compatible with stock or ported cylinder heads.


Engine configuration as tested on Cosworth Engine Dyno.

  • High flow exhaust
  • No catalyst
  • GT35R turbo @ 17.4psi boost
  • Stock intake manifold
  • Cosworth EC Pro ECU
  • 100 octane unleaded
  • Stock 2008 long block
  • Stock Cylinder Heads
For more information, click here.
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