Cosworth High RPM Single Valve Spring Set

  • $200.00
  • Save $200

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PN: 20000166

Cosworth High RPM Vale Springs are the result of countless hours of engineering, testing and validation ensuring the best possible spring for high performance applications. Cosworth High RPM Valve Springs are wound from the world's finest Japanese Kobe steel and feature dual chamfered ends to reduce wear on seats and retainers. Each spring has been engineered with increased seat pressure along with higher lift capability for optimum performance potential and improved valve control. Single spring design allows easy installation with no machining required and is perfect for typical high performance use. 

Key Features: 

Manufactured from the finest Japanese Kobe Steel
Single spring design for easy installation
Dual chamfered ends
Increased performance


  • 2004 - 2013 Forester (NOTE: XT Models Only)
  • 2002 - 2014 WRX
  • 2004 - 2018 STI
  • 2005 - 2012 Legacy (NOTE: GT Models Only)
  • 2005 - 2009 Outback (NOTE: GT Models Only)


WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and reproductive harm. For more information, visit

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