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

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
2002-2005	Subaru	Impreza	WRX
2004-2011	Subaru	Impreza	WRX STI
2007,2011	Subaru	Impreza	WRX STI Limited
2010	Subaru	Impreza	WRX STI Special Edition