GSC Power-Division Single Valve Spring Set w/ Titanium Retainers 2002-2014 WRX / 2004-2021 STI Injector Dynamics-InStock and Legacy GT (2005-2009)

and Legacy GT (2005-2009)

though some models may benefit from an adapter or hub kit depending on the steering column configuration

and DURA BOOTS ensure long-lasting performance and corrosion resistance

2013-2016 Scion FRS

GSC Power-Division Single Valve Spring Set w/ Titanium Retainers 2002-2014 WRX / 2004-2021 STI Injector Dynamics-InStock and Legacy GT (2005-2009)Upgrade your Subaru WRX or WRX STIs valvetrain with the GSC Power Division Single Valve Spring Set featuring titanium retainers. Designed for enthusiasts seeking reliable performance, this kit delivers superior spring load retention and fatigue resistance, ensuring consistent engine response under high RPM conditions. Perfect for 2002 2014 WRX and 2004 2021 WRX STI models, its engineered to handle up to 8,200 RPM and 32 psi boost. This set includes 16