Manley Performance Valve spring and Retainer Kits take the guess work out of making your valvetrain race-ready. Engineered for maximum durability, stability, and precision in high-performance and racing applications, these chrome-silicon alloy springs provide exceptional fatigue resistance and high-tensile strength, ensuring consistent valve control at extreme RPMs. Save time and money with these kits, featuring premium springs, retainers, designed to handle aggressive aftermarket camshafts.

This Part Fits:

Year	Make	Model	Submodel
2005-2006	Saab	9-2X	Aero
2002-2012	Subaru	Impreza	WRX
2006-2007,2010-2012	Subaru	Impreza	WRX Limited
2009-2012	Subaru	Impreza	WRX Premium
2004-2012	Subaru	Impreza	WRX STI
2007,2011-2012	Subaru	Impreza	WRX STI Limited
2010	Subaru	Impreza	WRX STI Special Edition
2006-2007	Subaru	Impreza	WRX TR