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Manley Subaru WRX/STi.490in Valve Spring and Retainer Kit (w/o Valve Locks) (16 each)

Take your Subaru WRX/STi to the next level with the Manley Valve Spring Kit. Engineered for high-performance driving, this kit includes 16 valve springs and retainers, designed to work seamlessly without valve locks.

  • High-quality valve springs and retainers for improved engine performance
  • Designed for Subaru WRX/STi models
  • Kit includes 16 pieces for a complete upgrade

Upgrade your engine with the Manley Valve Spring Kit and experience the thrill of enhanced performance.

Make Model Year Type
Subaru Impreza 2002 WRX
Subaru Impreza 2003 WRX
Subaru Impreza 2004 WRX
Subaru Impreza 2004 WRX STI
Subaru Impreza 2005 WRX
Subaru Impreza 2005 WRX STI
Subaru Impreza 2006 WRX STI
Subaru Impreza 2007 WRX STI
Subaru Impreza 2007 WRX STI Limited
Subaru Impreza 2008 WRX STI
Subaru Impreza 2009 WRX STI
Subaru Impreza 2010 WRX STI
Subaru Impreza 2010 WRX STI Special Edition
Subaru Impreza 2011 WRX STI
Subaru Impreza 2011 WRX STI Limited
Since 1966 Manley has been manufacturing race proven engine internals for the domestic and more recently sport compact performance markets. Their range of products include: cranks, pistons, rings and wrist pins, connecting rods, pushrods, drive and oil systems, cylinder head components and valves. Manley products are designed to satisfy the needs of racing’s top engine builders who demand the highest quality products available. As a result, Manley performance products can be found in a variety of vehicles, including OE supercars and record breaking street performance and race cars.
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